Describe the unique characteristic of carl sagan, enriqueta barrera, and evan forde that assisted them in their scientific careers? ?

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character

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