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