An amoeba that lives in freshwater has a contractile vacuole in its cell to pump the extra water out of the cell. Explain observations.

The use of dna as evidence in criminal investigations became possible because of the

The fauces connects which of th following structures to the oropharynx

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and