Awhite flower (rr) is crossed with a white flower (rr). which genotypes are possible? a.) rr b.) rr c.) rr

Why is excretion necessary to maintain homeostasis?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

What materials must dams have to produce electricity, and what must occur?