Parasitic bacteria that depend on eukaryotic host cells are
a. protozoa.
b. rickettsia.
c. fungi.
d. viruses.

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and