Probably the animals and what the animals live in.
The correct answer is option C, that is, they are all consumers.
Consumers feed on producers or other consumers in order to thrive in the environment. For example, deer are herbivores that signifies that they consume only plants, that is, producers. Another example of consumers are black beers, which are scavengers and omnivores, that is, they will consume or eat anything.
They do so by surrounding or attacking the wall with bacteria
