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Biology

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Alexane Shanahan

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2y ago
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Cards in this guide (10)
How does reproductive isolation increase diversity

it stops gene flow

What has caused most of the mass extinctions on earth

Climate change has caused most of the mass extinctions on earth.

Approximately how long have Homo sapiens been on earth according to the fossil record

100,000 years ago

According to evolutionary theory what was the most likely evolutionary precursor to humans

hominids

Microevolution can occur when some individuals in a population survive and reproduce more often in a new environment what is this an example of

adaption to the new environment

Which of these is an example of an extinction that has been witnessed by humans

dodo bird

Over a few million years in Africa droughts have often caused grasses and shrubs to die some years while tall trees survived Because of this giraffes with very long necks could feed in the trees w

directonal

SELECTION

Which form of natural selection is shown on this graph comprehensive bio

Disruptive

What of these is not a reason that species become extinct

Which of these is not a reason that species become extinct

Which of these is an example of macroevolution

Birds are thought to be direct descendents of reptiles

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