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