Answer:
they mutate and become immune to modern medicine
Explanation:
Answer:
D
Explanation:
when when lakes receive an overabundance of nutrients they can become polluted by excessive amount of algae.
Answer:
an undifferentiated cell of a multi cellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
Answer:
Commensalism
Explanation:
explain how helped you on the other relationship