In the Great Lakes, producers can be microscopic phytoplankton (plant plankton), algae, aquatic plants like Elodea, or plants like cattails that emerge from the water's surface. Herbivores, such as ducks, small fish and many species of zooplankton (animal plankton) eat plants.
Similarly, you may ask, what animals eat animals?
Some animals – horses, say, or rabbits – eat only plants (herbivores), others – such as tigers or pythons – only meat (carnivores), but omnivores aren't so choosy: They consume both plant and animal matter.
What do you call an animal that eats meat and plants?
omnivore. an animal that eats both plants and meat. An animal that only eats plants is called a herbivore and an animal that only eats meat is called a carnivore.
Which animal eats only plants?
Animals that eat only plants are called herbivores. Deer, grasshoppers, and rabbits are all herbivores. There are lots of different plants and lots of different herbivores. Some herbivores eat only part of a plant.