The hip bones in a whale are examples of _________________ structures.
Vestigial
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15
This is a trait that makes an organism more suited to its environment
Adaptation
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The ability of an organism to survive and reproduce in its environment
Fitness
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15
Blind cave animals that still have eyes are an example of
Vestigial structures
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15
If species do not evolve, they go __________________ .
Extinct
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A characteristic of different organisms that have similar function but not necessarily the same structure and did not come from the same common ancestor
Analogous Structure
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seesaw
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shark
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shark
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thief
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15
True/False - We can observe changes in life forms by observing the fossil record
TRUE
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This picture is showing an example of
Homologous structures
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seesaw
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gift
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shark
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banana
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15
True/False - Many animals have vestigial structures from an ancestor.
TRUE
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heart
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gift
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shark
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baam
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15
This is the mechanism for evolution as proposed by Charles Darwin
Natural Selection
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15
True/False - many animals have analogous structures due to common ancestry
FALSE (homologous)
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A species splits into two or more descendant species, resulting in once similar or related species to become more and more dissimilar.
Divergent Evolution
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25
Overproduction, variation, adaptation, and _____________ - are the 4 conditions for natural selection to occur