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40 Underwater Wonders Unit 9 : ANIMAL WORLD
Earth lives in the ocean
A sea animal known
and can grow up to 100
for regenerating its lost The largest animal on
arms is often found on
feet long.
the ocean floor.
The fastest swimmer in
tentacles and the ability to
the ocean can reach speeds A marine creature with eight
camouflage itself blends with
up to 68 miles per hour.
its surroundings.
A marine mammal famous The largest coral reef
system in the world is
for its melodic songs that
located off the coast of
can be heard underwater
for miles is common in
Australia.
colder seas.
Plants that grow underwater A brightly colored fish that
and produce oxygen for
marine life play an important
lives among sea anemones
is known for its symbiotic
role in the ecosystem.
relationship with them.
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