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Jackson Spring Final Assignment (Quiz) Biology 2021 Flashcards | StudBud
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Jackson Spring Final Assignment (Quiz) Biology 2021
Jackson Spring Final Assignment (Quiz) Biology 2021
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#Genetics
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Questions
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Answers
1
When a neuron is at resting potential, what is the overall charge INSIDE the neuron?
POSITIVE (+)
NEGATIVE (-)
2
What % of the offspring is heterozygous?
25%
50%
75%
100%
3
Phenotypes
GG
Genes
Carbon
Physical characteristics of an organism that we can observe
4
If the hormone level decreases...
the gland will stop producing hormones
the hormones will go to the glands
the gland will start producing hormones
5
Once an ecosystem is disturbed, there is no way to repair it.
True
False
6
Which of the following is NOT a piece of evidence for evolution?
Comparative Embryology
DNA/Proteins
Geographic distribution of organisms
Natural Selection
7
A shaded shape on a pedigree mean...
Displays trait
Male
Doesn't display trait
Female
8
What is a Greenhouse gas?
gases in our atmosphere that doesn't trap sun's heat
doesn't absorb energy
gases in our atmosphere that traps sun's heat
doesn't have an influenece on earth's energy.
9
A black & white speckled chicken is an example of
incomplete dominance
complete dominance
codominance
10
What mostly makes greenhouse gasses by people
using nonrenewable resourses
burning fossil fuels
using reusable resourses
11
How to we maintain a stable internal environment?
excretory system
nervous system
Teamwork
Homeostasis
12
In this Punnett Sq, which is true about the offspring of the cross?
all will be tall
About half will be short
All will be short
About 3/4 will be tall
13
What caused the earth to go from a hot, hostile environment, to a lush green paradise?
Oxygen
All of the above
Plants
Ozone Layer
14
Central Nervous System
Brain and spine
Dendrites and tendril
Bones and skin
Axons and synapsis
15
Is the greenhouse effect natural?
Yes and no
Yes without it we could not live here.
Greenhouse effect does not exist
No, its just a bi-product of human pollution.
16
What environment has the most biodiversity?
1000 teeth
444 lice
40 chickens, 300 crabs, 50 dogs, 45 teeth
560 ants
17
What type of reproductive isolation?
None of the Above
Temporal
Behavioral
Geographic
18
What is the genotype of an offspring that results from a cross between Type O & AA?
Type A & Type O
Type A
Type O
19
The evolution of mosquitoes that are resistant to chemical insecticides illustrates
natural selection
negative adaptations
artificial selection
genetic variation leading to behavioral change
20
About how old is the Earth
1.4 Billion Years
6 Million Years
150 years
4.6 Billion Years
21
The graph is what type of selection?
Disruptive
Directional
Stabilizing
22
What is an ecosystem?
All the plants and animals that live in one place.
An animal's home.
Living things interacting with their physical environment
The air, soil and water.
23
Which of the following is not a greenhouse gass?
Methane
Nitrous oxide
Carbon dioxide
Hydrogen
24
Endosymbiotic theory suggests that
many diseases are caused by microorganisms
eukaryotic cells may have evolved from prokaryotic cells
an organisms adaptive changes are passed on to its offspring
organisms best fitted for their environment survive
25
Peripheral Nervous System
nerves that are not part of the brain or spinal cord.
Are responsible for muscle movement only
Are not controlled directly
Nerves that are not connect to the organs
26
Axon terminals release...
neurotransmitters
Sodium
ions
Potassium
27
One of Two different versions of a gene
Genotype
alleles
Phenotype
Gene
28
Climate change may have an impact on the following:
Agriculture, natural terrestrial ecosystems, and water resources
Air quality, oceans, and coastal zones
Energy and human health
All of the above
29
What drives continental drift
Concussion currents
Convection currents
Contusion currents
Conduction curents
30
The two types of genetic drift are...
The bottleneck effect and mutations
Non-random mating and gene flow
Natural selection and the founder effect
The bottleneck effect & the founder effect
31
A cross between a blue flower and red flower create a purple flower. This is
incomplete dominance
complete dominance
codominance
32
When a neuron is at resting potential, which ION is located OUTSIDE?
Sodium (Na+)
Potassium (K+)
33
What are divergent plate boundaries?
Plates that move apart
Plates that move together
Plates that move past each other
Plates that don't move at all
34
Endocrine system...
hormones that cause no reactions
two hormones with opposite effects
produces one hormone
hormones produce glands
35
What are convergent plate boundaries?
Plates the move together
Plates that move past each other
Plates that move apart
Plates that don't move around at all
36
What is Natural Selection?
Traits that increase the chance of surviving and reproducing are favored
When animals all look alike
No 2 species are alike
When your a small animal
37
Global warming affects...
Only ice caps
Every living on the earth
Only plants
Only animals
38
Natural selection acts directly on
chromosomes
mutations
phenotypes
genotypes
39
B= Black & W= White. What is the genotype of a speckled chicken?
BW
BB
WW
40
When the neuron is stimulated...
+ will move into the axon
Nothing will change
- will move out of the axon
41
Whaling and over fishing has raised threats to endanger marine mammals.
True
False
42
What pattern of evolution is pictured?
coevolution evolution
adaptive radiation
convergent evolution
divergent evolution
43
Which form of dominance is when neither trait is dominant over the other?
codominance
incomplete
complete
44
FF is
Dominant
Excessive
Incomplete
Recessive
45
Definition of Genotype
It is the genetic constitution of individual organisms.
It is the constitution of cells.
It is the genetic constitution of multiple organisms.
It is the genetic constitution of a Organisms DNA.
46
Which of the following is NOT a function of the nervous system?
responsd to messages & carries out an activity
controls intellect & reasoning
Processing incoming messages from sense organs
break down food & extract nutrients from it
47
Coevolution is
as one organism evolves, another evolves with it
Organisms living in similar conditions evolve similarities
a change over time
2 or more related species become less similar
48
Calcitonin, testosterone & insulin are hormones. What is the role of these hormones?
To directly remove toxins from the body
To directly supply energy to cells
To generate chemical signals that travel through the blood
To generate nerve impulses.
49
The cross between a red flower and a white flower produce a pink flower. This is an example of
incomplete dominance
codominance
complete dominance
50
Which of the following is NOT a result from sexual selection?
feathers on a male bird of paradise
antlers on a male deer
mane on a male lion
spots on a male dog
51
Dendrites
gets information from the axon
gets information from the cell body
send information on to the cell body towards the axon
send information on to the next cell
52
What is on the outside of the image ?
Offspring Genotypes
Parent Gametes
Offspring Gametes
Parent phenotypes
53
Define a positive feedback loop
Cycle that will only give positive results
The response that will diminish the original stimulus
The response that will enhance the original stimulus
Nothing. There’s only a negative feedback loop
54
In cows, roan coat is a result of codomin. between red and white. What is the chance a red and white cow produce roan?
25%
50%
75%
100%
55
Which has been a negative impact of human population growth on Earth’s environment?
Developing safer waste disposal methods
High levels of air pollution
Increased crop varieties in agricultural areas
Improved water resource management
56
Convergent evolution
The process by which the same species evolves different traits
Evolution that happens rapidly
The process by which different species evolve similar traits
A process that a species actually changes back to its original form
57
Biodiversity is
IDK
Yes,no
The number of different types of plants and animals
All living thing.
58
Where did the first life forms appear...?
The Earths Core
Water
Land
Sky
59
What is species richness?
The number of different species that lives in a particular area.
I don't know.
The species of marine animals.
The number of animals in the world.
60
Who theorized the drift of continental drift?
Albert Einstein
Harry Hess
Ben Franklin
Alfred Wegener
61
Native trees can support hundreds of species, while non native trees may only support a few.
False
True
62
What does the pancreas do if it detects low blood sugar?
release glucagon
release testosterone
release insulin
release adrenalin
63
If the hormone level decreases...
the gland will stop producing hormones
the gland will start producing hormones
the hormones will go to the glands
64
Which of these is not a type of neuron?
Internodes
Interneurons
Motor
Sensory
65
The most recent evidence for evolution comes from.....
comparative morphology
molecular biology (DNA)
the fossil record
biogeography
66
The cross between a red rose and a white rose exhibiting incomplete dominance creates
50% Red, 50% Pink
100% Pink
50% Red, 50% White
67
Approximately how long ago did the first life form appear on Earth
1 Million years ago
6.3 Billion Years ago
3.8 Billion Years Ago
1,000 years ago
68
Why do you think there is little fossil evidence of the earliest forms of life? Because the organisms _
Evolved so quickly that they left few remains
Decayed quickly in the oxygen-rich atmosphere
Lived in water and were not preserved
Did not have hard parts which would fossilize easily
69
How many generations are found on this pedigree?
2
4
1
3
70
Why is the ozone layer so important for life on earth?
It traps heat on the earth so life doesn't freeze at night.
It blocks harmful infra red radiation from the sun.
Ozone molecules break apart absorbing harmful UV radiation.
It absorbs harmful cosmic radiation from space.
71
The graph is what type of selection?
Stabilizing
Disruptive
Directional
72
True or False: Evolution is any change in allele frequency.
False
True
73
How can humans help repair an ecosystem?
Plant Trees
Reduce, Reuse, Recycle
Clean up plastic pollution
All of the above
74
What is this image?
Mendel's Tool
Punnett Square
Box Thingy
75
What were the first life forms...?
Dinosaurs
Reptiles
Insects
Unicellular prokaryotes - Bacteria
76
Which of the following is NOT evidence for continental drift theory?
Location of mountain ranges
Continents fit together
Movement of glaciers
Location of the oceans
77
X-Linked traits: allele located on the Y sex chromosomes.
True
False
78
Example of Negative Feedback is...
Child Birth
a Thermostat
Fruit Ripening
79
Which of the following is an example of human impact on the environment?
Tornadoes
Habitat destruction
Competition
Floods
80
What type of reproductive isolation? (Hint: when are they each mating?)
None of the Above
Behavioral
Geographic
Temporal
81
Polar bears have to swim farther for food. Some are unfit & drown. Predict the likely effect of this pressure on them.
will move south into areas occupied by grizzlies, competition & extinction
Nature will select the best swimmers & those bears breed more successfully
Polar bears will evolve gills to dive deeper under the water to get food
82
What are transform plate boundaries?
Plates that move past each other
Plates that don't move at all
Plates that move together
Plates that move apart
83
Humans do not have an influence on greenhouse gasses.
True
False
84
What is insulin?
Hormone that prevents illness
Hormone that cares for reproduction
Hormone that regulates bloods oxygen
Hormone regulates the amount of glucose in the blood
85
Continental Drift is supported by...
Sea-floor Spreading
Alfred Weagener
Topography
Plate Tectonics
86
Crust, mantle, and cores are the ____ of Earth.
surfaces
plates
locations
layers
87
Earth would be _____ without greenhouse gasses.
hotter
colder
88
What is the central nervous system?
Consists of the brain, neurons, and spinal cord.
consists of the brain, and spinal cord.
Consists of the brain and neurons.
Consists of the neurons and spinal cord.
89
All the members of a species are gone
extinct
threatened
endangered
90
What gas did photosynthetic bacteria produce that changed earth's atmosphere and oceans?
Oxygen
Nitrogen
Hydrogen
Carbon Dioxide
91
Continental Drift is supported by what?
Alfred Weagener
Topography
Plate Tectonics
Sea-floor Spreading
92
Why couldn't life survive on the planet in the beginning...?
There was no oxygen
It was too hot
No Plants/Food
All of the Above are correct
93
How do invasive species impact native species in an ecosystem?
Invasive species introduce more resources for native species
Invasive species compete with native species for the same resources
Invasive species allow more native species to thrive
Invasive species create more biodiversity
94
The graph is what type of selection?
Stabilizing
Disruptive
Directional
95
4 pieces of evidence for evolution are: DNA, Fossil Record, comparative anatomy & geographic distribution
False
True
96
Which of the following is NOT evidence that supports endosymbiotic theory?
Mitochondria & chloroplasts can live on their own
Mitochondria & chloroplasts reproduce via binary fission
Mitoch. & chloro. have their own ribosomes similar to bact.
Mitochondria & chloroplasts have DNA similar to bacteria
97
Homozygous
having 3 different alleles for a trait
having 2 identical alleles for a trait
having 2 different alleles for a trait
98
Genetic drift is a change in allele frequencies due to ______.
A mutation
Chance
Heterozygous alleles
A hereditary pattern
99
Which of the following is NOT a step/process of natural selection?
None of the Above/All are steps in natural selection
Differential survival & reproduction
Heritable variation exists in a population
Over production of offspring/offspring compete for resources
