Answer one is D
Answer two is B
Answer three is C
If I’m wrong tell me
The woolly mammoth was an animal used to artic, or colder conditions. When the Ice Age ended, the woolly mammoth couldn't handle the warmer temperatures. It also was being hunted for food. People could have hunted it out of extinction.
I hope this helped you!
Brainliest answer would be appreciated!
In any habitat, a keystone species is one that has a major impact on that ecosystem. If that creature were removed, the changes would be nearly immediate and extremely noticeable. Both predators and prey can be keystone species, and are key to maintaining ecological balance.
:333
Answer:C. There will be an increase in variety of the shape of the B and T cell receptors allowing them to recognize and destroy more pathogens
Explanation: usa test prep