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Name: ______________________________
EVOLUTION NOTES
Pd: ____
Ast: _____
Charles Darwin
- 1. What idea did Charles Darwin, along with other scientists before him, struggle with?
o 1. Answer:
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2. What did Darwin do for a living?
o 2. Answer:
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3. Where was Darwin when he had his breakthrough?
o 3. Answer:
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4. What did Darwin notice that led to his breakthrough?
o 4. Answer:
Darwin’s Theory
- 5. Describe the relationship that Darwin observed about the traits of each species in the Galapagos.
o 5. Answer:
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6. Use the Galapagos Tortoise as an example to describe this relationship.
o 6. Answer:
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7. Slight differences in traits among members of a species are called ____________________.
o 7: Answer:
8. Explain how food is a “LIMITING RESOURCE”.
o 8. Answer:
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9. Describe the likely outcome if a tortoise has a beneficial variation.
o 9 Answer:
Natural Selection
- 10. NATURAL SELECTION: Individuals within a population that possess ____________________
which help them ____________________ in their environment tend to __________ _______________,
____________________ _______________, and ____________________ __________ than
individuals that do not have the ____________________ __________.
o 10. Answer:
Adaptations
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11. What is an ADAPTATION?
o 11. Answer:
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12. ____________________ adaptations involve color, shape, and other physical characteristics
o Example:
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12. Answer:
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13. ____________________ adaptations involve the way organisms behave or act.
o Example:
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13. Answer:
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14. ____________________ adaptations involve internal body systems that affect biochemistry.
o Example:
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14. Answer:
Environmental Interactions
- 15. ____________________ is an adaptation that aids an organism in blending in with its environment.
o 15. Answer:
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16. _______________ is an adaptation in which one species resembles another to achieve some benefit.
o 16. Answer:
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17. What can happen to species that cannot adapt to changes to the living and non-living factors within
the environment?
o 17. Answer:
Natural Selection vs. Artificial Selection
- 18. How is the theory of natural selection backed up by the diversity of organisms we observe on Earth?
o 18. Answer:
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19. Intentionally mating (breeding) organisms for desirable characteristics is called
____________________ ____________________.
o 19.Answer:
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20. What is the difference between natural selection and artificial selection?
o 20. Answer: