*species and speciation Flashcards

1
Q

Define species

A

A group of organisms that can interbreed to produce fertile offspring.
-Members of one species are reproductively isolated from members of all other species

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2
Q

Define speciation

A

The process by which a new species evolves from an earlier species.
-Speciation is the most basic process in macroevolution

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3
Q

Define evolution

A

a change in the genetic makeup of a population from one generation to the next

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4
Q

The earliest human ancestor evolved from a species that lived how many mya?

A

6 to 8 million years ago

-this was the last common ancestor we shared with chimpanzees

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