A(n) is a large-scale category containing many communities of a similar nature, and its location is largely controlled by climate
population
ecosystem
biome
none of the above

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

The two main stages of cell division are called

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax