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