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Grade 7 Science Starter Lesson: Energy Flow Through Ecosystems

By Newsela Staff
Last updated 2 months ago
8 Questions
Note from the author:
In this lesson, you will explore the flow of energy among living and nonliving parts of an ecosystem.

Essential Question: How does energy flow through an ecosystem?
In this lesson, you will explore the flow of energy among living and nonliving parts of an ecosystem.

Essential Question: How does energy flow through an ecosystem?
3.
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4.

Which organism is always the first in the energy flow through an ecosystem?

5.

Drag each organism into the correct box that matches its trophic level.

  • moss
  • phytoplankton
  • rabbit
  • owl
  • butterfly
  • deer
  • hawk
  • Primary producers
  • Primary consumers
  • Secondary consumers
  • Tertiary consumers
6.

Which of the following best describes the role of decomposers in an ecosystem?

7.

Which are true about trophic levels and the food chain? Select three correct answers.

8.

Drag each organism category into the correct box to match its energy-related description.

  • consume both plants and animals for energy
  • convert sunlight into energy through photosynthesis
  • recycle energy by breaking down nonliving plant and animal remains
  • obtain energy by consuming plants
  • Producers
  • Herbivores
  • Omnivores
  • Decomposers