Micro and Macro evolution Flashcards

1
Q

Define microevolution

A

micro effects populations/species. It is a process that happens over multiple generations, and the effects of micro typically lead to macroevolution eventually. micro evolution doesnt make distinct species. It occurs due to 4 main factors:
Gene flow
Genetic drift
Mutation
Selection presssures.

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2
Q

Define macroevolution

A

Macro is the accumulation of microevolutionary changes. produces new species, (speciation) as opposed to small changes within species. Ususally involves the study of fossils.

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