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Doomed to Disappear? Endangered Species
Sea otters eat animals called sea urchins.
When there are fewer sea otters, fewer
sea urchins are eaten. So the sea urchin
v.
to become larger in amount, size, or number
increases
population increases.
Sea urchins eat kelp, a kind of seaweed.
As the population of sea urchins
increases, more kelp is eaten.
Unit 10 | Doomed to Disappear? Endangered Species
