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Eng Course- All About Blue Whales- Download Free PDF


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Blue whales are baleen whales:
instead of teeth, their mouths
contain plates of baleen, made from
a substance similar to that in our
fingernails, which hang from their
upper jaws. Remarkable as it may
seem, these largest of all creatures
subsist largely on some of the very
smallest Ð tiny, often microscopic Ð
animals called zooplankton, and
particularly small shrimp-like
crustaceans called krill; the baleen
plates act as sieves, allowing the
whales to filter these marine
micro-organisms from the sea
as they swim.
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