Explanation:
Both prokaryotic and eukaryotic cells have:
DNA.
Ribosomes.
Cytoplasm.
Plasma membrane.
An organism can "make a living" and survive in its niche.
Answer:
Basal Layer
Explanation:
Melanocytes reside in the basal layer of epidermis where they form the epidermal melanin units as a result of the relationship between one melanocyte and 30-40 associated keratinocytes
A predator of that fish. Or if the fish can only lay eggs in an environment with current. Also temperature can effect if it will survive or not.
Unconformities occur when erosion wears away rock, or when rock deposits are never formed hope this helps :3