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Extinctions only occurred in the past?
false :)
What is Sources of evidence about past extinctions?
fossils
Have extinctions occurred in the past?
Yes, extinctions have happened throughout history, they are happening today and will continue to happen in the future.
Would it be true to say that extinctions only occurred in the past?
false
Past mass extinctions most likely occurred as a result what?
Sudden changes in environmental conditions.
Is it true that extinctions only occur in the past?
Every single extinction has happened in the past. If an extinction is happening this instant we will not know about it until it is in the past. As and when any future extinctions happen we will not know about it until it is in the past.
What is the animal group with the most extinctions?
invertabates are the animals with the most extinctions
Why many scientists believe that something other than asteroids have caused most of the catastrophic extinctions of the Earth's past?
Well because there is no proof.
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
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.
