2. Which type(s) of cells have genetic material that is contained in a nucleus? A. bacteria
B. only animal cells
c. protists
D. both plant and animal cells

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Differentiate renewable and nonrenewable resources

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.