________________ prevents successful interspecies hybridization.

pre-zygotic isolation mechanisms

How does primary endosymbiosis differ from secondary endosymbiosis?

2nd endosymbiosis involves engulfing a cell that already has a chloroplast

Which is an example of mass extinction?

A meteorite kills off all the dinosaurs

Tendril stems are modified stems that

Twine around supports and aid in climbing

What is the classification order from greatest to least?

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

If the Hardy Weinberg equation does not equal one it means that...

The population of the organism is evolving

Which of the following does NOT describes a characteristic of clade?

When 2 members share common characteristics but don't have same ancestors

What does “survival of the fittest” mean?

The most reproductively successful

What the 2 main clades that ferns and their relatives evolved from?

Ferns and horsetails, ferns and whisk ferns

What challenges did plants face when colonizing land?

Water loss, UV radiation protection, and gamete dispersal

What is the main difference between monocots and dicots, two types of seeded plants?

Number of cotyledons (seed leaves)

What are homologous structures?

Structures derived from the same ancestral source.

How did mitochondria originate according to the endosymbiotic theory?

Through endosymbiosis of an aerobic bacterium

Why is Gram Positive Purple?

Because the peptidoglycan layer is thick

Types of Protista Which of the following groups of organisms is classified as Protista?

Algae, protozoa, and slime molds

Which of the following best describes the Prezygotic isolation mechanism?

type of reproductive isolation which the formation of zygote is prevented

What is the primary function of the epidermis in plants?

To protect the plant from external damage

group of organisms that can breed with each other/produce fertile offspring

What are the main nutritional modes of protists?

Photoautotrophic, heterotrophic, and mixotrophic

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bio unit 1-3

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Questions 189

Answers

1
Fungal Examples Which of the following organisms is an example of a fungus?
Saccharomyces
All of the above
Aspergillus
Penicillium
2
Phylogenetics is the basis of comparative Biology, which of the following would be an example of a homologous structure?
Wings of a bat
Wings of a bird
Dragonflies
Dolphin Flipper
3
Which concept of ecological species is false?
Stabilizing selections maintains the species adaptions
All genes are the same.
In some cases strong selection overwhelms gene flow
Hybrids are quickly eliminated out of a gene pool
4
What is the term for the process by which seedless plants reproduce?
vegetative propagation
Sexual reproduction
spore production
asexual reproduction
5
________________ prevents successful interspecies hybridization.
sympatric isolation
pre-zygotic isolation mechanisms
geographic isolation
mechanical isolation
6
How does primary endosymbiosis differ from secondary endosymbiosis?
Primary endosymbiosis involves engulfing a red alga
Primary endosymbiosis involves engulfing a bacterium
2nd endosymbiosis involves engulfing a cell that already has a chloroplast
Primary endosymbiosis results in an organelle with four membranes
7
Which is an example of mass extinction?
An exterminator kills a nest of roaches in a hour
A whale gets verry hungry and eats a lot of fish
A meteorite kills off all the dinosaurs
Humans going to hunt for extra food to sell
8
What protects the embryo in seed plants?
The food supply
The megasporangium
The female gametophyte
The seed coat
9
What shape does a coccus have?
V-shape
Rob
Spiral
Circular
10
Which of the following seedless plants is commonly found in aquatic environments?
algae
Moss
liverwort
fern
11
What are the types of classification?
All of the above
Paraphyletic grouping
Monophyletic grouping
Polyphyletic grouping
12
what kind of algae shares a common ancestor with land plants?
brown algae
red algae
yellow algae
green algae
13
Tendril stems are modified stems that
Are photosynthetic and flattened to look like leaves
Twine around supports and aid in climbing
Grow underground with adventitious roots
Grow underground and are swollen
14
What is the classification order from greatest to least?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
Kingdom, Domain, Phylum, Class, Order, Family, Genus, Species
Domain, Kingdom, Phylum, Order, Class, Family, Genus, Species
Domain, Kingdom, Phylum, Class, Order, Genus, Family, Species
15
Protistan Movement Which of the following structures is used for movement by some Protista?
Cilia
Pseudopodia
Flagella
All of the above
16
Archaea & Eukarya are a clade.
False
True
17
If the Hardy Weinberg equation does not equal one it means that...
The population of the organisms is dying off
The population of the organism is increasing
The population of the organism is evolving
The population of the organism is staying constant
18
Which of the following does NOT describes a characteristic of clade?
When 2 members share common characteristics but don't have same ancestors
A claude in evolutionary units refers a common descendent
Synapomorphy
Species that share a common ancestor
19
which of the following best describes mutualism?
both are harmed
one benefits, one is harmed
both benefit
one benefits, one isn't affected
20
What does “survival of the fittest” mean?
the organisms that have the most fur live
the environment has no impact on the organisms whatsoever
none of the above
The most reproductively successful
21
Thigmotropism is a response to____.
gravity
Touch
All of the above
Light
22
What the 2 main clades that ferns and their relatives evolved from?
Ferns and horsetails, ferns and whisk ferns
Ferns and mosses
Ferns and liverworts
ferns and lycophytes
23
What is the term for the response of plants to touch or contact, such as the curling of tendrils around a support?
Gravitropism
Phototropism
Thigmotropism
Chemotropism
24
What challenges did plants face when colonizing land?
Water loss, UV radiation protection, and gamete dispersal
Nutrient acquisition, temperate regulation, and seed dispersal
Nutrient acquisition, mechanical support, and temperature regulation
Nutrient acquisition, mechanical support, and pollination efficiency
25
What is the first phase of fungi reproduction?
Meiosis
Plasmogamy
Mitosis
Karyogamy
26
What is the main difference between monocots and dicots, two types of seeded plants?
Number of petals in the flower
Number of cotyledons (seed leaves)
Presence or absence of seeds
Type of roots
27
In seedless plants, where does fertilization typically take place?
In the roots
In the sporangium
In the archegonium
In the flower
28
What color does gram-negative stain?
Purple
Blue
Pink/Red
29
What are homologous structures?
Structures derived from the same ancestral source.
Structures derived from different ancestral source
Structures that look similar, but have different functions
30
What organelle results from the engulfment of a cyanobacterium during primary endosymbiosis?
Endoplasmic reticulum
Mitochondrion
Nucleus
Chloroplast
31
What does 2pq represent in the Hardy Weinberg Equation?
None of the above
Heterozygous individuals
Homozygous dominant individuals
Homozygous recessive individuals
32
what is the purpose of xylem in plants?
to transport water
to transport waste
to transport sugar
to transport nutrients
33
Prezygo barrier prevent fertilization from happening, while postzygo barrier occur after fertilization/affects fertility
False
True
34
Which of the following is true about leaf Epidermis?
They are only found in plants that are in very cold temperatures
Most have no chloroplast
All of the above
These types of cell are not found in plants
35
Pollen is...
the male gametophyte
the male body
the female ovule
the female gametophyte
36
What is the term for the growth response of plants towards or away from light?
Phototropism
Thigmotropism
Gravitropism
Photoperiodism
37
Gravitropism is positive in plant cells and negative in root cells.
False
True
38
How did mitochondria originate according to the endosymbiotic theory?
Through the fusion of several smaller prokaryotic cells
Through endosymbiosis of an aerobic bacterium
As a byproduct of the nucleus formation
From the folding of the inner membranes of ancestral eukaryotic cell
39
Why is Gram Positive Purple?
Because the peptidoglycan layer is thick
Because the peptidoglycan layer is thin
Because the peptidoglycan is non existent
The peptidoglycan doesn’t matter when it comes to color
40
What is unique about the sporophyte of whisk ferns?
It lacks true leaves but has roots
It has true leaves and roots
It has true leaves but lacks roots
It lacks true leaves and roots
41
Types of Protista Which of the following groups of organisms is classified as Protista?
Algae, protozoa, and slime molds
Fungi and bacteria
Animals and plants
Viruses and prions
42
Which of the following best describes the Prezygotic isolation mechanism?
type of isolation where the mother dies after giving birth to the offspring
type of isolation where the offspring is abandoned by both parents at birth
type of reproductive isolation which the formation of zygote is prevented
43
A similarity that arose prior to the most recent common ancestor of a group is called a(n):
Character State
Derived Character
Homoplasmic Character
Ancestral Character
44
The key process of speciation is…
Pre-zygotic isolation
reproductive isolation
mechanical isolation
Post-zygotic isolation
45
What is the primary function of the epidermis in plants?
To transport water and minerals
To protect the plant from external damage
To store food and nutrients
To produce food through photosynthesis
46
What is a specie?
group of organisms can't breed with each other/produce fertile offspring
none of the above
A group of organisms that cannot reproduce and live together
group of organisms that can breed with each other/produce fertile offspring
47
What is required for Evolution to occur?
Genetic Variation
No Mutation
Mating
All the above
48
What are the main nutritional modes of protists?
Chemoautotrophic, photoautotrophic, and heterotrophic
Photoautotrophic, heterotrophic, and mixotrophic
Autotrophic, heterotrophic, and saprophytic
Autotrophic, heterotrophic, and parasitic
49
Which of the following tissues is responsible for transporting water and minerals from the roots to the leaves?
Collenchyma
Parenchyma
Sclerenchyma
Xylem
50
A root cap can sense gravity
False
True
51
blank selection favors one phenotype at one time and another phenotype at another time.
Positive frequency – dependent selection
Negative frequency – dependent selection
Oscillating selection
52
What does a node on a phylogenetic tree represent?
The event of genetic drift
The most recent ancestor
The most recent descendant
The event of extinction
53
What can Natural Selection eventually lead to?
Change in allele frequency
Mutation in an individual
Death of a population
Drought
54
What is the main function of the sporophyte generation in seedless plants?
to produce spores
to produce roots
to produce seeds
to produce gametes
55
What is gravitropism?
A plants response to a gravitational force of the earth
he answer is not present
There is no such thing
A reaction a plant has when It's touched
56
What is the Hardy Weinberg Equation?
P + 2pq + Q = 1
P^2 + 2PQ +Q^2 = 1
P + Q = 1
Q + 2PQ + P
57
Which part of a plant is responsible for photosynthesis?
Leaves
Roots
Stems
Flowers
58
Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called:
Vascular cambium growth
Mitotic growth
Secondary growth
Primary growth
59
Roots, shoots and leaves contain three basic tissue types which are______
Muscle tissue, connected tissue, epithelia tissue
Root, Steam, Leaf
Dermal, Ground, Vascular
Roots Shoots and leaves are all composed of the same tissue
60
What is the term for the total number of alleles in a population?
Genetic Drift
Gene Pool
Allele Frequency
Mutation Rate
61
Which of the following is an example of a negative gravitropic response in plants?
Roots growing downwards
Stems growing upwards
Flowers blooming in response to gravity
Leaves growing towards the ground
62
What is the primary function of seeds in seeded plants?
to produce leaves
to reproduce and disperse the plant
to produce roots
to produce flowers
63
All of the following are assumptions of HWG except.
Large population
Gene flow
No natural selection
No genetic drift
64
what are the 3 domains of life?
bacteria, animals, protists
eukarya, bacteria, plants
eukarya, bacteria, archaea
eukarya, plants, animals
65
What are the plant types of seeded plants?
Just angiosperms
Angiosperms and fungi
Just gymnosperms
Angiosperms and Gymnosperms
66
what is the identifying feature of spirochetes?
doesn't have cell wall
small size
highly diverse
cell shape
67
What is the name of the spiral shaped bacteria?
Spirillum
Bacillus
Cocci
68
About how many species of flowering plants are there?
1,000,000
600,000
300,000
6,000
69
what is it called when bacteria obtain energy from light and organic carbon?
chemoorganotrophs
photoorganotrophs
chemolithotrophs
photolithotrophs
70
What is the name of the circular shaped bacteria?
Cocci
Spirillum
Bacillus
71
What does it mean when a organism is a mesophile?
They can only survive in the desert
They can only survive in the ocean
They can survive in extreme environments
They can survive in temperatures around the human body range
72
Protistan Examples Which of the following organisms is an example of a Protist?
Paramecium
All of the above
Euglena
Amoeba
73
The prokaryote domains are:
Bacteria
None of the above
Archaea
Both A & B
74
What does SNP stand for?
Stop nucleotide polymorphism
Single nucleotide polymorphism
Single nucleotide polymer
Single nucleotide population
75
Plants produce heat shock proteins (HSPs) if exposed to rapid temperature increases
False
True
76
What effect does auxin have on plant root cell growth?
Negative
Positive
None of the above
Does not effect
77
Which of the following is an example of a seedless plant?
Oak tree
Pine tree
Fern
Rose bush
78
What is the name of the rod shaped bacteria?
Spirillum
Bacillus
Cocci
79
Selection is non-random but genetic drift is random
False
True
80
Fungi goes through what during their life cycle?
Mitosis
Both
None
Meiosis
81
What is the bottleneck effect?
inbreeding causing reduced number of alleles in population
natural selection decreasing a genotype
individuals moving from one area to another
drastic reduction of population size
82
What is the main difference between seedless plants and seed-producing plants?
Seedless plants only grow in aquatic environments
Seedless plants use spores for reproduction, while seed plants use seeds
Seedless plants have no vascular tissue
Seedless plants are unicellular
83
What is the primary function of a plant's root system?
To produce flowers and seeds
To absorb sunlight for photosynthesis
To synthesize glucose and oxygen
To absorb water and minerals from the soil
84
Which of the following is a characteristic of a seedless plant?
They rely on seeds for reproduction
They reproduce using flowers
They reproduce using spores
They have vascular tissue
85
An eagle prefers to eat white rats over brown in a brown environment. What is this an example of?
Mutation
Natural selection
Gene Flow
Genetic Drift
86
If a plant did not produce axillary buds, it would likely not be able to form:
Rhizomes or stolons
Branches or some flower
Root hairs, lateral roots, or prop roots
Leaves or apical meristems
87
What does q2 of the Hardy Weinberg Equation represent in terms of allele frequency?
The frequency of homozygous recessive
Both A & B
None of the above
The frequency of homozygous dominant
88
Which of the following is NOT an agent of evolutionary change?
Natural selection
Genetic Variation
Non-Random Mating
Mutation
89
What are the two systems of a vascular plant?
Root and Shoot
There is only one, the Shoot system
Shoot and Leaves
Leaves and Stem
90
Which of the following is an example of a reproductive barrier that can lead to the origin of a new species?
Genetic Drift
mutation
Gene flow
Geographic Isolation
91
Which of the following is placed in the correct order of phases for the fungi ascocarp reproduction cycle?
Mitosis, Meiosis, Plasmogamy, Karyogamy, Germination
Plasmogamy, Karyogamy, Meiosis, Germination, Mitosis
Meiosis, Germination, Mitosis, Plasmogamy, Karyogamy
Karyogamy, Meiosis, Mitosis, Germination, Plasmogamy.
92
True or False: Only root systems function in absorption.
True
False
93
What role does the cytoskeleton play in eukaryotic cells?
Production of ATP
Providing structural support
Synthesis of proteins
Regulation of gene expression
94
Which part of a plant leaf is responsible for gas exchange and transpiration?
Cuticle
Epidermis
Mesophyll
Stomata
95
What is the common ancestor shared by green algae and land plants?
Red algae
Brown algae
Green plants
Cyanobacteria
96
Artificial selection falls under which agent of evolutionary change?
nonrandom mating
mutation
genetic drift
natural selection
97
Protistan Nutrition Which of the following modes of nutrition is exhibited by some Protista?
Heterotrophy
All of the above
Mixotrophy
Autotrophy
98
what organism helped plants colonize land?
fungi
algae
bacteria
amphibians
99
What is Homoplasy?
none of the above
A shared character state that has been inherited from a common ancestor
The reliance on the principle of parsimony
A shared character state that hasn't been inherited from a common ancestor
100
What structure of angiosperms is responsible for the production of seeds?
Root
Leaf
Flower
Stem
101
What is the term for the process by which seeded plants produce seeds?
spore production
asexual reproduction
sexual reproduction
seed formation
102
Select all of the following that are types of selection.
Directional
Stabilizing
Wavy
Disruptive
103
Which of the following domains of life contain all prokaryotic life forms?
Bacteria & Eukarya
Eukarya & Archaea
Bacteria & Archaea
Only Archaea
104
Which hormone is responsible for promoting cell elongation in stems, causing them to bend towards light?
Abscisic acid
Ethylene
Cytokinin
Auxin
105
What color is Gram Negative?
Red/Pink
Pink/blue
Green
yellow
106
What is the main difference between gymnosperms and angiosperms?
Gymnosperms are non-vascular, while angiosperms are vascular
Angiosperm produce seed in cone, while gymnosperms produce seeds in flowers
Gymnosperm produce seed in cone, while angiosperms produce seeds in flowers
Angiosperms do not produce seeds, while gymnosperms do
107
Hardy-weinberg equilibrium are no mutation, no natural selection, no gene flow, large population size, and random mating
False
True
108
Which of the following is present in Archaea and Eukarya?
Cell Wall
Pathogenicity
Flagellum
Mesophiles
109
what kind of plants are bryophytes?
ferns, algae, hornworts
mosses, liverworts, hornworts
mosses, liverworts, angiosperms
ferns, liverworts, hornworts
110
does homoplasy influence cladistic analysis by it causing organisms to seem closely related when they are not.
True
False
111
Population genetics is the study of ____
Population of cells in an individual
The rate of population growth
How genes affect embryological development
How allele frequencies in a population change over time
112
what is the affect of extinction on a population?
decrease in alleles
decrease in resources
all of the above
decrease in population
113
Could evolutionary change be punctuated in time?
no
yes
neither
sometimes
114
What does the term gene pool refer to?
Liquid form of Deoxyribonucleic Acid
"Swimming pool" of genes
The collection of all of the genes; alleles present within the population
A storage of all genes in a population
115
what does dikaryotic mean?
2 nucleus
1 cell
2 cells
1 nucleus
116
which of the following are algae colors?
both a and b
golden brown
red
pink
117
Fungal Associations What is the term for the symbiotic relationship between fungi and plant roots?
Mutualism
Parasitism
Mycorrhizae
Commensalism
118
which of the following is a supergroup?
MOL
FPA
SAR
TRE
119
Which is not true about sun tracking?
his movement may maximizes photosynthesis
Leaves may track the sun
Many plants require certain type of pollen to track
Some turgor movements are triggered by light
120
What kind of data were first used to create phylogenetic trees?
Natural Selection Data
Similarities in DNA sequences
Similarities in Morphology
Habitat Data
121
Which of the following are the agents of evolutionary change?
mutation
nonrandom mating
gene flow
all of the above
122
Select the correct definition for Evolution?
All the above
Historical record of change through given time.
The difference between two populations
A change within an individual within a population
123
Which of the following is NOT a type of seedless plant?
pine tree
moss
horsetail
fern
124
What is the process by which pollen reaches the ovule in conifers?
Wind pollination
Animal pollination
Insect pollination
Water pollination
125
Which of the following has a DNA arrangement that is long and circular?
Archaea
None of the above
Bacteria
Eukarya
126
Fungi can do both sexual and asexual reproduction.
False
True
127
Fungal Nutrition What mode of nutrition do fungi typically exhibit?
Heterotrophy
Autotrophy
Saprotrophy
Mixotrophy
128
What is the significance of dormancy in seeds?
It maintains dormancy under unfavorable conditions
It provides food for the embryo until it can produce its own food
It protects the young plant when it is most vulnerable
It facilitates dispersal of the embryo
129
Which type of plants go through double fertilization?
Gymnosperms
Angeosperms
Angiosperms
None
130
What did seed plants evolve from?
progymnospores
non-spore bearing plants
flowers
leaves
131
Which of the following is an example of a seeded plant?
moss
fern
pine tree
liverwort
132
When quantifying fitness in natural populations, the most fit phenotype is assigned a fitness value of ____.
2
1
1,000,000
100
133
which of the following symbols represents a haploid?
2n
4n
3n
n
134
Which best describes postzygotic isolation mechanism?
isolation where zygote forms but doesn't develop into a reproducing adult
A type of isolation where the formation of the zygote is prevented
The inability of a pair to mate
All of the above
135
how many supergroups are there?
3
4
5
2
136
What are the ways used to distinguish organism?
All of the Above
Comparative anatomy
Comparing DNA/RNA/Protein sequences
Comparing Embryotic stages
137
What term for the response of plant to change in day length, which can trigger flowering or other physiological changes?
Photoperiodism
Vernalization
Phototropism
Gravitropism
138
What is gravitropism?
It I what plants do when trying to grow
It helps the plants roots
It's the responses of heavy leaves
It's the response of a plant to the gravitational field of the earth
139
Which of the following types of evidence supports the theory of evolution?
Comparative Embryology
Fossil Records
Molecular Biology
All of the above
140
Sympatric species occur in a different location and are phenotypically similar.
True
False
141
What does postzygotic isolating mechanisms do?
Prevent formation of a zygote
Prevent proper functioning of zygotes after they form
Prevent proper functioning of zygotes before they form
Prevent function of a zygote
142
Which are the causes of homoplasy? (Select ALL that apply)
Evolutionary Reversal
Parsimony
Convergent Evolution
Divergent Evolution
143
What is the primary characteristic that distinguishes seedless plants from seed plants?
Absence of seeds
Presence of leaves
Type of roots
Presence of flowers
144
How does natural selection play a role in the formation of new species?
Natural selection prevents any changes from occurring in species over time
Natural selection favors traits that improve survival and reproduction
Natural selection creates new species by changing their genetic material
Natural selection only occurs when organisms choose to adapt
145
What are the five factors that can lead to evolution in a population?
mutation, gene flow, genetic drift, natural selection,and non-random mating
mutation, gene flow, genetic drift, natural selection, and random mating
146
Characteristics of Protista Which of the following is a characteristic of Protista?
All are multicellular
All are heterotrophic
All are photosynthetic
Most are unicellular and eukaryotic
147
Which is a feature of the Xylem?
Conducting a solution of carbohydrates
Transports amino acids
Transports hormones
Conducting water and dissolving minerals
148
What is adaptive radiation?
evolution of divergent forms from a primitive and unspecialized ancestor
A animal impacted by radiation is unable to adapt do to mutation
A species will adapt by mutation
A species will be unable to adapt and eventually die off
149
What is ecological isolation?
Species differ in their mating rituals
Structural differences between species prevent mating
Species reproduce in different seasons
Species share the same area but occupy different habitats and rarely meet
150
what is asexual reproduction in bacteria called?
budding
binary fission
bacterial conjugation
fertilization
151
All of the following are functions or features of root hairs except:
Root hairs absorb water and nutrients from the soil
Root hairs are part of the root epidermis
Root hairs increase the surface area of the root
Root hairs are also known as lateral roots
152
What does the donor bacterial cell give to the other bacterial cell?
T plasmid
Sex pilus
Conjugate pilus
F plasmid
153
What is the primary mechanism driving the origin of new species, according to Charles Darwin's theory of evolution?
Natural Selection
Gene Flow
Genetic Drift
Mutation
154
Similarity between species may not correctly predict evolutionary relationships due to: (Select ALL that apply)
Evolutionary Reversal
Convergent Evolution
Natural Selection
The Variable Rate of Evolution
155
Fungal Cell Walls What is the main component of fungal cell walls?
Peptidoglycan
Chitin
Cellulose
Lignin
156
What is thigmotropism?
A response from the soil used with the plant that triggers a response
A response of water being absorbed
A response of twining stems causing them to coil
A response of sunlight hitting the plant
157
The BLANK of an angiosperm plant is composed of the stems and leaves.
Root
Meristem
Shoot
Flower
158
What does 2pq represent in the Hardy Weinberg equation in terms of organism genotype?
Homozygous recessive
Both a & c
Homozygous dominant
Heterozygous
159
What does a node represent on a phylogenetic tree?
A DNA Sequence
A mutation occurring
The time that has gone by
he most recent common ancestor of all species the species on those branches
160
Do fungi go through an unusual mitosis cycle?
True
False
161
Auxin has what effect on plant stem cell growth?
Does not effect
None of the above
Negative
Positive
162
Fungal Reproduction What is the term for the spore-bearing structures of fungi?
Sporangia
Conidia
Hyphae
Gametangia
163
What is taxonomy?
The science of names
The science of domains
The science of tax brackets
The science of classifying things
164
what plant adaptation protects plants from drying out?
waxy cuticle and stomata
spores
phloem
chloroplast
165
Why does a plant bend towards light?
Light makes auxin which slows down the growth of the cells the light hits
Light break down auxin which slow down the growth of the cell the light hit
Just because
It likes the touch of the sun
166
Which of the following is false about yeast?
Saccharomyces cerevisiae
Used to make bread, beer, and wine
Cannot ferment carbohydrates
Break down glucose into ethanol and CO2
167
Pneumatophores are modified roots that
Obtain water from the air
Facilitate Oxygen uptake
Pull plants deeper into soil
Provide considerable stability
168
Evolutionary change within a population cannot result from which of the following?
Mutations
Natural selection
Migration
Experience
169
What is double fertilization?
when fertilization doesn't occur
when 4 sperm meet with 2 eggs
when one sperm united with egg to form diploid zygote
when 2 sperm meet with 2 eggs
170
Which of the following is an extremophile?
Archaea
Bacteria
none of the above
Eukarya
171
Which of the following statements is false?
Traits favored for one component may be a disadvantage for others
Phenotype is the unique sequence of DNA
Selection favors phenotypes with the greatest fitness
Phenotype with greater fitness usually increases frequency
172
Which of the following characteristics are true of mammals?
Animals use ATP
Don’t use metabolism
Can not reproduce
They don’t inhabit environments
173
What is thigmotropism
A plants reaction to gravity
A plants reaction to light
A plants reaction to touch
174
Mechanisms the prevent formation of a zygote is which type of mechanisms?
Prezygotic isolating mechanisms
None of the above
Postzygotic isolating mechanisms
Dezygotic isolating mechanisms
175
The Gram stain of a bacterial cell is based on the chemical properties of its:
Cell Wall
Cell Membrane
Ribosomes
Capsule
176
Where are whisk ferns typically found?
Temperate regions
Subtropical regions
Arid regions
Tropical regions
177
Thigmorphogensis: permanent form change in response to mechanical stresses
True
False
178
When seeing the phrase "Doomsday bunker" what should come to mind?
Question Marks
Endospore
Pilus
Cell Wall
179
Species occur in same area, but they occupy different habitats and rarely encounter each other is a form of -
Ecological isolation
Temporal isolation
Behavioral isolation
Mechanical isolation
180
Where does pollen production occur in flowering plants?
In the ovary
In the stigma
In the filament
In the anthers
181
Which part of a seeded plant produces gametes (sperm and egg cells)?
stem
flower
root
leaf
182
What is the definition of evolution?
how an entity changes through time
the amount of genes in a population
the study of properties of genes in a population
the amount of phenotypes in a population
183
In prokaryotes, the cell wall is also called a capsule.
False
True
184
Dermal tissue is
A set of cells that found inside the plant
A layer of cells that absorb water
A layer of cells outside the plant
A set of cells that are found only in leaves
185
What is the Phylum of Conifers?
anthophyta
protista
coniferophyta
eukayota
186
What color does gram-positive stain?
Purple
Pink
Blue
187
What type of seeds do gymnosperms produce?
Seeds enclosed in capsules
Naked seeds
Seeds enclosed in cones
Seeds enclosed in fruits
188
Which allele would be classified as 2pq?
EE
Ff
rr
bb
189
Which of the following is an example of a gymnosperm?
Apple tree
Fern
Rose bush
Pine tree

bio unit 1-3 Flashcards | StudBud