A scientist has been monitoring the height of a small population of wild sheep for 30 years. He monitored 200 adult male sheep from each year, and then broke down their height into ranges.

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

How does friction with the atmosphere affect the speed of an artificial satellite

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.