If I would have to make a good guess, I would choose A.
Answer:
More than 35 species of plains animals
Explanation:
In addition to more than 35 species of plains animals, there are some 3,000 lions and great numbers of spotted hyenas, leopards, rhinoceroses, hippopotamuses, giraffes, cheetahs, and baboons.
The cell is considered to be the most basic living unit.
You're right. The Upper Mantle is directly under the Crust. Hope this helped! =^-^=