Answer the following question given this paragraph: 

Types of organisms that make glucose by photosynthesis are pictured in Figure below . They include plants, plant-like protists such as algae, and some kinds of bacteria. Living things that make glucose are called autotrophs ("self feeders"). All other living things obtain glucose by eating autotrophs (or organisms that eat autotrophs). These living things are called heterotrophs ("other feeders").


Q: What are living things that obtain glucose by eating self feeders called?

 Choices:

- producers

- chimeras

- viruses

- heterotrophs

A:
heterotrophs
