Question

A
is an organism that eats other organisms to gain energy; it is also called

Answer 1

A consumer

Step-by-step explanation:

Organisms, such as plants, that produce their own food by methods such as photosynthesis are called producers.

Organisms that need to consume other organisms as their food source, including all animals, are consumers. Some consumers consume plants (primary consumers, or herbivores) but other consumers eat other consumers (secondary consumers, or carnivores)