The human reproductive and endocrine system creates sperm and egg through meiosis. the joining of these gametes represents what type of reproduction

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

What is responsible for the uneven heating between the poles and the equator on any given day