There are many things that feed off of other animals. Animals feed off of other animals and we feed off of animals.
ocelots feed off there mom
They feed off decaying matter.
Cartilaginous fish are mainly sharks and rays. They feed off bony fish, such as goldfish.
flowers feed off the sun to absorb energy and water to keep nutrition in there system.
Parasites feed off their hosts. Predators feed off their prey. Difference is that parasites want to keep their hosts alive so they can continue to feed off them.
Carnivorous water bugs feed off small invertebrates and fish by sucking out their fluids. Omnivorous water bugs feed off freshwater plants.
Butter
Nothing, birds fly and feed off of worms, while cattle feed off of roughage and grains.
There would be more because lots of animals feed off of grass, and lots of animals feed of the animals that feed off of grass
No, bees don't feed off algae.
food