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Ecosystems

Ecosystems

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Author: William Hilton
Description:

Students will be able to apply specific ecosystem knowledge to a general model of an ecosystem
Students will be able to correctly show the exchange of energy on a food web worksheet

Standard Addressed : HS-LS2-6. Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem. [Clarification Statement: Examples of changes in ecosystem conditions could include modest biological or physical changes, such as moderate hunting or a seasonal flood; and, extreme changes, such as volcanic eruption or sea level rise.]

Assessment, Evaluation and grading:

Students will be graded partially on participation in class, and partially on completeness/correctness of food web worksheet
The completeness of understanding will be tested on an exam

Materials:

Worksheets
Printed out delta smelt
Copepods
Microscopes

Accommodations for ELLs and students with special needs

Students will work in small groups (ELLs)
More pictures will be shown along with simplified language (ELLs)
Visual magnifying equipment
Assistance from teachers aid

 

 

 

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Tutorial

How Wolves Change Rivers

An exciting example of how one animal can effect an entire ecosystem.

Truth about the food chain

Food Web Interactions