Parasitism is a symbiotic relationship where . A. one species benefits and the other is unaffected

B. both species benefit

C. one species benefits and one is harmed

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration