Log InSign Up for FREE
Library

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

By Formative Staff
Last updated 4 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
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

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

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

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