food chain is
similar to the food chain of some whales.
Poster by AllPosters.
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look like this: Plankton eats the bodies of
animals in the ocean.
Krill - small, shrimplike animals -
eat plankton Squid and small fish eat krill.
squid and fish eat small squid and fish. Dolphins
eat the fish and squid, and they also take crustacians and octopus. Sharks and
killer whales eat
the smallest of prey creatures is exposed to even low level toxins from
pollution of the water, it moves up the food chain and becomes
concentrated in the tissues of the larger predators like marine
mammals. This is called "food chain
Planktonic organisms and nektonic
animals, (small creatures like
krill), both range over great expanses. Both carry heavy metals,
pesticides, sometimes even radiation and disease-causing organisms
through all of the oceans on earth. More and more marine mammals are
being poisoned by contamination of our oceans.