All of the following are examples of biotic factors in ecosystem except ?

The energy needs of a human population are not affected by

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi