_ are an essential nutrient for animals.\nOptions:\n- (A) Energy\n- (B) Chemicals\n- (C) trees\n- (D) potatoes\n- (E) Acids\n- (F) allow growth\n- (G) store\n- (H) Proteins
Hmmm, let me think. I don't want to be wrong, so I got to be careful.
User
All animals are heterotrophs. Proteins are an essential nutrient for heterotrophs . Proteins are an essential nutrient for animals. The answer: (H).
Assistant