Choose the true statement about the nucleolus of the cell.
a)it is found in both eukaryotic and prokaryotic cellsb)it is the control center of the cell where dna is madec)it has a nuclear membrane and resides outside the nucleusd)it lacks a nuclear membrane and resides inside the nucleus

Scientific thinking: what clues about biology might road kill provide?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.