Import of people, animals, or plants. Birth of new babies, animals, or plants.
Export. Death.
The roundworm's body is a function of a parasite because it gets stronger when it eats digested food in animal's body and that harms the animal. T<span>hey are in the same body and the parasite lives on the host.</span>
Answer:
B
Explanation:
the nutrient that is required for repairing cells is protein
