Answer:
because they dont need to consume energy to survive and they have to take control of a host cell to reprouce/replicate, they cant do it on their own
Explanation:
hope this helpedd :)
Consumers. Obviously all animals are not b or c as there are animals that are both. Plants are producers as they produce energy, and animals consume the energy making them consumers.
D) Connective tissue. Skeletal muscle Striated muscle. It is under the person's voluntary control