The answer is B
A keystone predator would increase niche diversity and help reduce niche competition <span />
No. Humans cannot asexually reproduce. Bacteria and some small organisms can asexually reproduce but humans can't. If we want more humans, we have to create them through sexual reproduction.
<span>Gene experssion are influenced by enviroment. the best example is skin color in case of human for e.g if person with fair color or white complexion goes to africa or any part where sun exposure is more his or her color gets dark .the darking of skin is due to melanin production. see here person is same only difference is in enviromental condition due to which gene which are responsible for the production of melanin are produced.
I hope u understood it</span>
The answer should be A. Active transport
