Soil can best be described as the

a. sandy bottom of the ocean's floor.
b. layer of bedrock four layers beneath the earth's surface.
c. third layer beneath the earth's surface.
d. loose covering of weathered rocks and decaying organic matter.

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals