All animals get their energy from eating
other living things. There are carnivores that
eat other animals, herbivores that eat plants,
omnivores that eat plants and animals, and
parasites which eat from their host without
For most all animals, their energy
ultimately comes from the sun because plants
get their energy from the sun. Since some animals
eat plants and some animals eat animals that have
eaten plants, they indirectly get their energy
from the sun. The exception to this rule is
animals deep in the ocean near hydrothermal vents
which get their energy from eating bacteria. These
hydrothermal bacteria get their energy from
chemicals in the vent rather than sunlight.
So animals get their energy from eating other
living things and most of them get their energy
indirectly from the sun.
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