The fern prothallus contains both aronia and antheridia. Still, ferns are largely restricted to moist, shady habitats because sexual reproduction requires adequate moisture. Why

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

a. to encourage apoptosis

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.