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Summary Evolution by Natural Selection
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Evolution by Natural Selection
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45 Flashcards
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Some examples from this set of practice questions
1.
What is the theory of evolution
Answer: The theory of evolution states that all things, living and nonliving, of today arose from things in the past
2.
What is biological evolution
Answer: Biological evolution refers to the changes of living things from a common ancestor.
3.
What is Biodiversity
Answer: A wide range of species and organisms making up those species
4.
What is the geographical time scale
Answer: an established scale that deals with the long periods of time of the earth
5.
What is extinction
Answer: A natural occurrence in which a total species dies off. Usually matches the rate of occurrence of a new species.
6.
When did the major animal groups appear
Answer: Cambrian Period
7.
What defines a mass extinction
Answer: when more than 50% of species vanish over a few million years
8.
What is a species
Answer: Similar organisms which interbreed to produce fertile offspring
9.
What is a population
Answer: A group of species in the same location
10.
What is variation
Answer: Differences within a population
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