What alternate form of genes do nucleic acids have that allows them to offer variability?

Number and variety of living organisms includes genetic, species, and ecological types

How many pounds does the earth weigh?

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