Evolution 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Overproduction | populations produce more offspring than can survive.
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| Survival of the Fittest | individuals best adapted to the environment live to reproduce
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| Variation | differences
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| best adapted | individuals with variations that enable them to live and reproduce.
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| Common Ancestor | At some point in the past what two species must have shared if they have similar traits, DNA, or proteins.
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| allele | another word for gene
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| extinction | when all the members of a species have died
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| threatened | when there are few members of a species left and there is little genetic variation in the population
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| biodiversity | a measure of the amount of different life found in an ecosystem
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| species | group of organisms that can reproduce fertile offspring
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
gjsund1988
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