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- 1. Multiple Choice
Evidence of evolution comes in many forms including fossil records and homologies. Select all of the following that would be considered a homology:
Molecular evidence
Developmental/ embryonic evidence
Structural evidence
Biogeography
- 2. Multiple Choice
Researchers have discovered that the leg bones of mammals are homologous to some bones in frogs. Which claim is BEST supported by this fact?
Frogs do not require a sense of sound.
Frogs and mammals have a distant common ancestor.
Selection pressures have acted over time on mammals but not frogs.
Selection pressures have promoted similar evolution in frogs and mammals.
- 3. Multiple Choice
_______ is the movement of genes between populations.
Gene flow
Genetic drift
Gradualism
Punctuated equilibrium
- 4. Multiple Choice
Which statement best defines natural selection?
A mouse being born stronger and faster than the other mice.
A rabbit learning where to burrow during the winter months.
A weasel born with a camouflage coat surviving and reproducing to increase the coat color in the population.
- 5. Multiple Choice
In the deep ocean, where the sunlight does not reach, there are fish that have very small eyes. These eyes are most sensitive to blue light, being that that’s the light that is visible at certain depths. Fossils have been found that show these fish once had larger eyes. This change in eye size can be credited to which mechanism of evolution?
Natural Selection
Gene Flow
Genetic Drift
Non-Random Mating
- 6. Multiple Choice
Which evidence(s) of evolution proves a common ancestor? (check all that apply)
Embryology
Homologous structures
Fossils
Analogous
Vestigial structures
- 7. Multiple Choice
Select the term that best matches the following definition: random changes in a population that is completely due to chance.
bottleneck effect
genetic drift
evolution
homologous
- 8. Multiple Choice
Which definition describes a homologous structure?
Structures with the same structure with a different function
Structures with different structure with the same function
Similarities found in stages of early development of organisms
Remnants of organs or structures that once had a purpose
- 9. Multiple Choice
Researchers have discovered that the ear bones of mammals are homologous to some bones in fish jaws. Which claim is BEST supported by this fact?
Fish do not require a sense of sound.
Fish and mammals have a distant common ancestor.
Selection pressures have acted over time on mammals but not fish.
Selection pressures have promoted similar evolution in fish and mammals.
- 10. Multiple Choice
Some species of hover flies resemble wasps in body coloring and shape.
How does this characteristic appearance MOST likely serve as a useful adaptation to some species of hover flies?
They are able to pollinate the same flowers as wasps.
They can colonize wasp nests without being detected.
They are mistaken for wasps and avoided by predators.
They can interbreed with wasps and increase species diversity.
- 11. Multiple Choice
The bottleneck effect ____ population size and a new population that has a(n) _____ set of alleles.
decreases; new
decreases; old
increases; old
increases; new
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