Because They Must Ingest Other Organisms to Supply Their Energy

Question

Because they must ingest other organisms to supply their energy needs animals are categorized as
A)heterotrophs.
B)autotrophs.
C)producers.
D)commensals.
E)mutualists.

Accepted Answer

Animals cannot produce their own energy from sunlight, carbon dioxide, and water like autotrophs such as plants. Therefore, they must obtain their energy by consuming other organisms, making them heterotrophs.