3. * Animals cannot make their own food.
They depend on other living organisms.
*Animals digest their food. They cannot
use proteins, fats and carbohydrates
directly.
*Many animals move from place to place.
By moving around, they can find food,
escape their enemies, find a better place
to live and find mates.
14. Hydra are named
after the nine-headed
sea snake of Greek
mythology and are
freshwater relatives
of corals, sea
anemones and
jellyfish. Cnidaria
and hydra share in
common stinging
tentacles and a
radially symmetrical
body plan.