Log inSign up for FREE
Library

Grade 7 Science Starter Lesson: Energy Flow Through Ecosystems

Last updated over 1 year 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?
1

Define the term 'trophic level' in the context of energy flow through ecosystems.

1

Energy is lost as it passes through each trophic level in an ecosystem.

1
Drag the tropic level to the correct part of the energy pyramid to show how the energy flows in an ecosystem.
Other Answer Choices:
Decomposers
Primary producers
Primary consumers
Tertiary consumers
Secondary consumers
1

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

1

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
1

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

1

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

1

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