Log inSign up for FREE
Library

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

Last updated 9 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.
Required
1
Drag each answer choice into the correct space. Not all answer choices will be used.

A ____________________occurs when a_____________________is removed from an ecosystem, often causing __________consequences to the environment.
Other Answer Choices:
major
minor
keystone species
trophic cascade
Required
2

Drag each organism to the correct box to show if it is a keystone species.

  • jaguar
  • sea urchin
  • sea otters
  • kelp
  • Keystone species
  • Non-Keystone species
Required
1

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