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If they went extinct they wouldn't survive
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∙ 14y ago
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What was the outcomes of each of the mass extinctions?
The outcomes of each of the mass extinctions is that animal and/or bacteria die.
Mass extinctions are usually followed by what?
When there are mass extinctions they are usually followed by adaptive radiation and very rapid diversification. The last mass extinctions happened 65 million years ago.
Do scientists believe that extinctions are uncommon?
No, they are fundamental to the process of evolution. Mass extinctions are less common.
What has happened during mass extinctions?
Bad things
What affects have mass extinctions had on the history of life?
biospere
What might have caused mass extinctions?
Ice age
Why mass extinctions occur and why they often mark divisions of geologic times?
Mass extinctions occur when extreme temperatures happen.https://science.howstuffworks.com/life/evolution/extinction3.htm
The earliest molusks?
Have desendants that survived several mass extinctions Most likely had a single flattened shell Likely had the gills and anus located posteriorly while the mouth and nerve ring were located anteriorly
Why do you think most extinction's occur as background extinctions?
Most extinctions occur as background extinctions because they are longer time periods unlike the shorter mass extinctions which there were only two in the Paleozoic era, the Ordovician mass extinction, and the Permian/Triassic extinction in which 95% of all marine animals became extinct
Mass extinctions create conditions that promote?
Adaptive Radiation
What has changed most of the mass extinctions on earth?
climate change
The earliest mollusks?
Have descendants that survived several mass extinctions Most likely had a single flattened shell Likely had the gills and anus located posteriorly while the mouth and nerve ring were located anteriorly Yes it is all of these
