Describe two ways that the clean water act could provide economics benefits while protecting water quality.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Fredrick griffith made a scientific discovery in 1928

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