Biology!!

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Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below.
The nonconstancy of species.
Branching evolution, which impleies the common descent of all species.
occurrence of gradual changes in species.
natural selection as the mechanism for evolution.

a) for each of the four contributions listed above, discuss one example of supporting evidence.
b) Discuss two of the following:
hardy-weinberg equilibrium
puctuated equilibrium
or genetic engineering

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