- 1. A ______________ is a group of organisms that share similar characteristics and can reproduce among themselves to produce fertile offspring.
A) mutants
B) synthesis
C) hybrid
D) species
- 2. A gradual process in which something changes into a different and usually more complex or better form.
A) revolution
B) decompression
C) evaluation
D) evolution
- 3. A(n) ____ is a group of organisms that looks alike and can reproduce among themselves.
A) species
B) order
C) genus
D) family
- 4. when an organism blends into its environment
A) punctuated equilibrium
B) camouflage
C) variation
D) radiometric dating
- 5. evolution as a slow change of one species to another
A) punctuated equilibrium
B) variation
C) gradualism
D) embryology
- 6. survival of the fittest
A) revolution
B) natural selection
C) variation
D) punctuated equilibrium
- 7. rapid evolution with few intermediate forms
A) variation
B) natural selection
C) evaluation
D) punctuated equilibrium
- 8. Any heritable characteristic of an organism that improves its ability to survive and reproduce in its environment.
A) variation
B) adaptation
C) genus
D) species
- 9. An inherited trait that makes an individual different from other members of its species.
A) adaptation
B) variation
C) genus
D) species
- 10. ___________________ can prevent an organism from blending into its environment.
A) Gradualism
B) Camouflage
C) Order
D) Albinism
- 11. _______________ can allow an organism to blend into its environment.
A) Gradualism
B) Order
C) Albinism
D) Camouflage
- 12. According to Darwin's research, finches that eat nuts and seeds have
A) medium-sized beaks
B) cracked beaks and must be fed by other finches
C) long, slender beaks
D) short, strong beaks
- 13. According to Darwin's research, finches that feed on insects have
A) long, slender beaks
B) cracked beaks and must be fed by other finches
C) short, strong beaks
D) medium-sized beaks
- 14. According to Darwin's research, finches that eat insects and seed have
A) long, slender beaks
B) cracked beaks and must be fed by other finches
C) medium-sized beaks
D) short, strong beaks
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