8th Grade Science Guide

8.3: Ecology 3 Dimensions & Progressions

Unit 3

● 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.

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.