stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Biology Keystone - Module B Review Flashcards | StudBud
Explore
/
Biology Keystone - Module B Review
Biology Keystone - Module B Review
36 terms
·
StudBud Administration
·
16 plays
Module 2 Review #biology #keystone
Flashcards
36 cards
F
Practice quiz
P
Host live
L
Questions
36
Answers
1
A pitcher plant and venus fly trap have leaves that catch insects; cacti have spines for leaves
Analogous
Homologous
Vestigial
Vagus
2
Fertilization of an egg leads to a diploid genome. Which is true of a diploid cell?
There are two chromosomes per allele
There are two genes per chromosome
There are two genes per allele
There are 2 alleles per gene
3
The graph represents changes to a trait. What most likely occurred at time 1?
There was an increase in the population of mice
Natural selection caused a new trait to be beneficial
A mutation produced a new allele for the gene
An invasive species with a new allele entered the population
4
What must be transmitted to new DNA strands during replication to maintain genetic information?
the sequence of bases from existing DNA strands
individual atoms from existing DNA strands
the sequence of phosphates from existing DNA strands
individual sugars from existing DNA strands
5
Which effect is most likely caused by nondisjunction during meiosis?
only two types of nitrogenous bases
an increase in nuclei
increased survival benefits from traits
an extra chromosome
6
Owl’s disk-shaped face helps direct sound waves into the owl’s ears, similar to a human ear
Homologous
Analogous
Vestigial
Vestanologous
7
The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?
the location of the gene
the amount of pigment
the allele
the DNA sequence
8
A human is composed of trillions of cells. Which process directly causes this large number?
respiration
cell mutation
circulation
cell division
9
A cell goes through Meiosis. How are the daughter cells different than the parent cell?
the daughter cells grow twice as fast
the daughter cells are larger
daughter cells are diploid
the daughter cells contain half the amount of DNA
10
Which of the following is the original source of energy in any ecosystem?
sunlight
plants
soil
sugar
11
Leopards live and hunt alone. What is most likely the primary value of living alone?
greater genetic variability within the species
decreased space needs for the species
reduced competition for natural resources
increased survival rates with habitat loss
12
The amount of rainfall, intensity of UV radiation, and local climate are all examples of
Abiotic factors
Vertebrates
Biotic factors
Microbes
13
Which relationship best describes the interaction between ticks and the deer?
Competition
Commensalism
Mutualism
Parasitism
14
Which outcome is mostlikely a result of selective breeding?
the formation of new genes
an increase in natural selection
development of new ecosystems
the expression of favored genotypes
15
Which of the following is an example of an observation?
A spider spins a web to catch its food.
A fly is caught in a spider web
What time of day is best for finding a spider web?
Why does a spider spin a web?
16
Which energy transfer most likely occurs between organisms in the food web?
from sparrow to grass
from rabbit to fox
from owl to fox
from mouse to grasshopper
17
Which description is the best example of a population?
all of the goldfish in a pond
all of the organisms in a pond
all of the goldfish in every pond
all of the organisms in every pond
18
A species of flower has 5 petals. One individual has 3 petals. What most likely caused it?
DNA is inherited from two different parent plants
high temperatures during the flower production season
mutation in the gene code for petal number in parents' DNA
low water levels in the soil surrounding the parent plants
19
Genetic engineers designed corn with antifungal properties. How does this benefit farmers?
It increases the value of each acre of land cultivated.
It makes each plant more resistant to disease.
It eliminates the processing needed to harvest corn
It lowers the cost of each acre of plants cultivated.
20
Which mutation is the most likely to result in no effect to the phenotype of a cell?
Silent
Frame-Shift
Missense
Nonsense
21
Very few plants grow at the bottom of oceans. Which scenario best explains this observation?
increased competition
decreased oxygen
increased predation
decreased sunlight
22
Squirrels, separated by the Colorado River, became unique species. Which mechanism caused this?
habitat preference
geographic isolation
behavioral isolation
increased gene flow
23
Changing a single base causes an error that affects the next 500 amino acids in a protein.
silent mutation
frame-shift mutation
nonsense mutation
substitution
24
What type of evidence does the presence of homologous structures in plants provide?
plants have evolved from a common ancestor
Some animals are more closely related to plants
Only some plants are capable of photosynthesis
Insects and plants evolved around the same time
25
What happens to the unused organic matter at each trophic level within an energy pyramid?
It is used by consumers to make more food
It is absorbed by consumers
It is recycled by decomposers
It is lost as ATP to the environment
26
Which scenario would lead to the most rapid evolution of a new species of beetle?
small group of beetles finding an area with new food sources
arandom mutation in one of the beetles
anonnative predator of the beetle being introduced
A geographic barrier separating two populations of beetle
27
Which term best describes the basic unit of inheritance passed from a parent to offspring?
traits
phenotypes
genotypes
genes
28
Various bacteria, fungi, vertebrates, and invertebrates all live in one common area.
population
community
biome
ecosystem
29
Which trait is an acquired trait?
brown eyes
bruise
red hair
dimples
30
Which of the following best describes an acquired trait of a cat?
fur length because itis passed on from the prior generation
chipped tooth becauseit develops during the organism's life
A.eye color because itis passed on from the prior generation
long tail because itdevelops during the life of the organism
31
This location would most likely have an aye-aye population with the greatest genetic variation.
location 2
location 3
location 4
location 1
32
How can translocation affect chromosomes?
can result in failure of chromosomes to separate
results in chromosomes having very different lengths.
can cause duplication of certain sections of chromosomes
can cause the exchange of genes between homologs
33
Which answer correctly distinguishes between the following statements?
1: Fact 2: Theory 3: Hypothesis 4: Observation
1:Theory 2: Hypothesis 3: Observation 4: Inference
1: Inference 2: Observation 3: Theory 4: Fact
1: Observation 2: Inference 3: Fact 4: Hypothesis
34
Two species of frog live in the same area. Which is the best evidence for a common ancestor?
the species' physical (anatomical) characteristics
the species' similar diets
the species' similar habitats
the species' mating behaviors
35
Which statement best describes how invasive plants can negatively affectsnative herbivores?
can attract other nonnative plants to the forest ecosystem.
can increase the flow of energy through the ecosystem.
can stop the life cycles of native herbivores.
can reduce the size of the native plant populations.
36
Which events occurs during the interphase stage of the cell cycle?
a new membrane begins to form around the chromatids
the cytoplasm divides, creating two daughter cells
DNA replicates and proteins are produced
separation of sister chromatids
