Which statement best describes the function of the mitochondria?

a.
they build and transport proteins.

b.
they allow for cellular motility.

c.
they provide an outside barrier to the environment.

d.
they assist with cellular respiration.

What causes darkening of the skin as melanin production increases

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell