What is fertilization in the process of reproduction? A. The formation of a placenta
B. The joining of an egg and a sperm
C. Sexual intercourse
D. Diploid cell differentiation

Ture or false evidence for evolution includes millions of fossils

Drag each label to the correct location in the equation. not all tiles will be used. the density of mercury is 13.6 grams per cubic centimeter. complete the steps for converting 13.6 g/cm3 to kg/m3. (1 kg = 1,000 g, 1 m3 = 106 cm3)

What are levels of ecology and how can we remember them