- 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) evaluation
B) decompression
C) revolution
D) evolution
- 3. A(n) ____ is a group of organisms that looks alike and can reproduce among themselves.
A) species
B) order
C) family
D) genus
- 4. when an organism blends into its environment
A) radiometric dating
B) punctuated equilibrium
C) variation
D) camouflage
- 5. evolution as a slow change of one species to another
A) variation
B) punctuated equilibrium
C) embryology
D) gradualism
- 6. survival of the fittest
A) variation
B) punctuated equilibrium
C) revolution
D) natural selection
- 7. rapid evolution with few intermediate forms
A) evaluation
B) natural selection
C) punctuated equilibrium
D) variation
- 8. Any heritable characteristic of an organism that improves its ability to survive and reproduce in its environment.
A) genus
B) variation
C) species
D) adaptation
- 9. An inherited trait that makes an individual different from other members of its species.
A) species
B) adaptation
C) variation
D) genus
- 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) Albinism
B) Order
C) Gradualism
D) Camouflage
- 12. According to Darwin's research, finches that eat nuts and seeds have
A) cracked beaks and must be fed by other finches
B) long, slender beaks
C) short, strong beaks
D) medium-sized beaks
- 13. According to Darwin's research, finches that feed on insects have
A) short, strong beaks
B) cracked beaks and must be fed by other finches
C) medium-sized beaks
D) long, slender beaks
- 14. According to Darwin's research, finches that eat insects and seed have
A) short, strong beaks
B) long, slender beaks
C) medium-sized beaks
D) cracked beaks and must be fed by other finches
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