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Science Explainer- Ecosystem superheroes: Sea otters help keep coastal waters in check

By Newsela Staff
Last updated 6 months ago
3 Questions
Note from the author:
Read the passage Ecosystem superheroes: Sea otters help keep coastal waters in check. Then answer the questions below.
Read the passage Ecosystem superheroes: Sea otters help keep coastal waters in check. Then answer the questions below.
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Drag each organism to the correct box to show if it is a keystone species.

  • sea otters
  • kelp
  • jaguar
  • sea urchin
  • Keystone species
  • Non-Keystone species
Required

How do sea otters contribute to the health of coastal waters? Select two correct answers.