8th Grade Science Guide

8.3: Ecology 3 Dimensions & Progressions

Unit 3

● Have a discussion with students that both humans and natural events can change ecosystems and have lasting impacts.

Formative Assessment: 8.3.3 SEEd Formative Assessment

8.3.3 Phenomena Assessment: Cougar Gardeners

Objective

Overview

Materials

● I can identify the living and nonliving parts of an ecosystem. (abiotic and biotic factors) ● I can identify and describe the carbon cycle including the connections between photosynthesis and respiration. ● I can identify describe and analyze connections and roles between organisms within an ecosystem. ● I can make connections between ecosystem changes and the stability of cycling matter between living and nonliving parts of an ecosystem. ● I can describe evaluate how changes in an ecosystem affect the fow of energy through the carbon cycle. ● I can explain why fewer organisms are found at higher levels in food webs.

● Have students re-read the article about Cougars as Gardeners and complete an online discussion in Canvas answering these questions: 1) Why is biodiversity important? Why is

● Article

it important to protect species that can often appear threatening or parasitic? 2) Use examples of the Cougars as Gardeners article as evidence to support your answer to the frst question.

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