How is commensalism different from parasitism?

In commensalism one species is helped and the other has no real change. In parasitism one species is helped and the other is harmed.

How do predator and prey graphs look?

Predator numbers rise and fall a little after prey numbers do.

7th Grade Symbiosis and Predators Worksheets

Ages 12-13 · Free previews · Print-ready PDFs

Written by Adi Ackerman, Head Teacher

Organisms in a community affect one another's numbers through competition, predation and symbiosis. There are 2 sheets for 7th grade here, each with an answer key. Analyze Organism Interactions From Population Graphs uses three graphs with sample numbers, and Test Symbiosis Claims With Data draws bars for acacias and ants. Both sheets practice MS-LS2-2.

7th Grade Science Ecosystems Symbiosis and predators Clear All

Analyze Organism Interactions From Population Graphs

Grade7th Grade

TopicEcosystems

Test Symbiosis Claims With Data

Grade7th Grade

TopicEcosystems

More ecosystems worksheets

Explore all of our 7th grade ecosystems worksheets, covering biomes and biodiversity, food webs and matter cycles, populations and invasive species, symbiosis and predators.

Biomes and biodiversity Food webs and matter cycles Populations and invasive species

Frequently Asked Questions

Mutualism is a relationship in which both species are helped, so their numbers rise together.

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