One, a lot of mass extinctions are based on theories by scientist. Two, they all caused major changes in the Earth's systems (Ex. ecology, atmosphere, surface, and waters). Three, they all have theories on what caused it.
Also this is obvious but in all mass extinctions they wiped out a lot of lifeforms, 90% of anything that has EVER lived on the Earth is extinct.
Hope this helps! :-)
Answer:(are all ares of earth qually heated by the sun?) no
Explanation:
No, some places never get hot like it does in say brazil. It will be hoter then Alaska.
I believe the answer would be <span>D.) Abnormal</span>
I’m sorry if I’m wrong but I believe it’s evaporate
All species provide some sort of function to an ecosystem. In an ecosystem they can act as producers, decomposers, and help to cycle water. throughout the ecosystem, it can control erosion and pests and fix atmospheric gases.