Fact 1: Heterotrophs get food by eating other living things. Fact 2: Great egrets are heterotrophs . Given the two facts above, great egrets get food by doing what?

pick from the following. (A). sleeping; (B). eating other living things; (C). Transfers energy; (D). converting mass to energy; (E). Something coming from a gland; (F). photosynthesis; (G). dying; (H). competing for resources;
The answer is:
(B).