Evolution test review
Quiz by Leslie Mosley
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- Q1
Most of the parrots on the mainland have blue feathers and a population of the same parrots on a nearby island with the same environmental conditions have mostly yellow feathers. This island population originally came from the mainland population.
How could a geneticist best explain the prevalence of yellow feathers in the island population?
Natural selection has occurred only in the birds that remained on the mainland.
Random mutations have occurred in the bird population on the island.
Genetic drift has resulted in fewer blue-feathered birds on the island.
Natural selection on the island is less favorable for blue birds.
30s - Q2
A great horned owl has cataracts. Cataracts cloud the natural lens and inhibit the eye’s ability to focus and form clear images. Owls are hunt at night and depend on their acute vision for survival. Which of the following evolutionary processes would most likely impact any offspring which inherits the allele for cataracts?
genetic drift
natural selection
adaptations
Owls are hunt at night and depend on their acute vision for survival.
30s - Q3
A young adult male monkey leaves his troupe and joins a new troupe, he then mates with the females in the new troupe. What is this an example of?
natural selection
mutations
bottle neck event
gene flow
30s - Q4
Which of the following is true about this cladogram?
Species A and B share a common ancestor but species B and C do not.
Species B and C have more traits in common than species A and B.
Species A and B are more closely related than species B and C.
Species B and C are more closely related than species A and C.
30s - Q5
Using this information, select the two organisms that are the most related.
chimpanzees and gorillas
chimpanzees and bonobos
bonobos and gorillas
30s - Q6
Which graph shows how the frequency of an allele in a small population might change after a wildfire?
graph 2
graph 1
graph 3
30s - Q7
Which statement explains what most likely happens to the genetic diversity of a population after a wildfire over time?
Genetic diversity decreases. Some alleles may disappear from the population due to chance.
Genetic diversity increases. The simulations fluctuate widely between 0.00 and 1.00.
Genetic diversity increases. Mutations from the wildfire result in genetic drift.
Genetic diversity remains in a narrow band after the wildfire. The diversity neither increases nor decreases.
30s - Q8
which conclusion is supported by the cladogram?
D
A
B
C
30s - Q9
Which cladogram shows that hippopotamuses are the closest living relative to dolphins?
B
A
C
D
30s - Q10
Which groupings of organisms includes an ancestor and all of its descendent?
N O P
M N O
O P R
P R S
30s - Q11
1. Select all of the following that are common ancestors of both amphibians and birds.
B and C
A B and C
C and E
B C and E
30s - Q12
Which group of organisms diverged (became a new species) first?
shark
whales
ornithischian
tuna
30s - Q13
Which of the following is essential for evolution to occur?
competition for resources
genetic variation in a species
random mating
30s - Q14
Which of the following is/are a source of variation in a species?
mutations
both mutations and sexual reproduction
sexual reproduction
30s - Q15
One of the causes of evolution is that some organisms with certain traits survive and reproduce better than others. This is called
natural selection
genetic drift
founders effect
30s
