Because they have volicules
The answer is not A or D. I'll reread to get the correct answer!!!
Intermediary molecules that accept electrons and transfer them to another molecule are called. coenzymes.
Answer:
Living organisms that are heterotrophic include all animals and fungi, some bacteria and protists, and many parasitic plants. The term heterotroph arose in microbiology in 1946 as part of a classification of microorganisms based on their type of nutrition.
