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Floodplains Ecosystem

Floodplains Ecosystem

Use this educator idea to challenge students to consider all of the abiotic and biotic factors that make up a flood plains ecosystem.

Grades

5 - 8

Subjects

Biology, Ecology

Idea for Use in the Classroom

Review the ecological levels of organization with students to help them gain a perspective on what an ecosystem represents. The ecological levels of organization include: ecosystem, community, population, and organism.

Divide students into small groups and ask them to use the infographic and this information on floodplains to make a chart comparing the biotic (living) and abiotic (nonliving) factors of a flood plains ecosystem. Then, as a class, compare charts to come up with a common list of biotic and abiotic factors. After completing this activity, ask students: What distinguishes an ecosystem from the other ecological levels of organization? Ensure that they understand that ecosystems include both biotic and abiotic factors, as well as how they interact with each other in an environment.

Then ask students to focus on the biotic factors. Have students split into new groups and give each group a set of cut-out shapes of all the biotic factors from the infographic, along with some paper arrows. Have each group use these shapes to map out a food web of the biotic factors, connecting them with arrows to indicate relationships between consumers and producers, etc. Once they’ve all made their food webs, go group by group and have each group choose one primary or secondary consumer to remove from their food web, and ask the class:

  • What would happen if this factor (primary or secondary consumer) were removed from the web?
  • What would happen to the other animals and plants in this food web once this consumer was gone?

Finish the activity by assigning students to write a report on what would happen to a floodplains ecosystem if the primary or secondary consumer that their group chose disappeared from their habitat.

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Director
Tyson Brown, National Geographic Society
Author
National Geographic Society, National Geographic Society
Production Managers
Gina Borgia, National Geographic Society
Jeanna Sullivan, National Geographic Society
Program Specialists
Sarah Appleton, National Geographic Society, National Geographic Society
Margot Willis, National Geographic Society
other
Last Updated

May 20, 2022

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