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A background extinction is the continuous extinction of individual species caused by climate change, disease, loss of habitat, and competitive disadvantages against other species. Background extinctions occur at a slow rate over time, affecting only a few species at one time.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoBackground extinction rate, also known as 'normal extinction rate', refers to the standard rate of extinction in earth's geological and biological history before humans became a primary contributor to extinctions. ...
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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
What are some of the causes of background and mass extinctions?
Ice ages, disappearance of prey, floods, and global warming. I hope this helps.
What is the animal group with the most extinctions?
invertabates are the animals with the most extinctions
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.
Do scientists believe that extinctions are uncommon?
No, they are fundamental to the process of evolution. Mass extinctions are less common.
Do extinctions happen frequently?
No
Have extinctions occurred in the past?
Yes, extinctions have happened throughout history, they are happening today and will continue to happen in the future.
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.
What can change the food chain?
Extinctions.
What is the major cause of extinctions?
Us.
How may the Earth's position in space be related to the cycle of extinctions earth?
How may the Earth's position in space be related to the cycle of extinctions on earth
Extinctions only occurred in the past?
false :)
