In a certain ecosystem, the number of cheetahs is lower as compared to their prey, gazelles. If the cheetahs disappeared from this ecosystem, then the number of gazelles will increase. This will disrupt the ecosystem of the forest because the gazelles will compete for limited food resources and possibly exhaust them. In this scenario, what type of species are cheetahs? A. pioneer B. seral C. climax D. keystone

answer; i believe the correct answer is (anemia);

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

i believe this is true, if you're asking for whether its true or false. : )