Biology Basics
MS-LS2-3
Model food webs, energy flow, and matter cycling
Model producers, consumers, decomposers, populations, and communities.
Learn the skill
- 1Model producers, consumers, decomposers, populations, and communities.
- 2Explain energy flow and matter cycling in ecosystems.
Cited instruction
Use the publisher's material for instruction, then return to PeerTutor for the checked practice written for this skill.
Matter and energy in food webs · Khan AcademyPractice preview
In ecosystem model 48, which path shows matter cycling?
A prey population decreases by 48 organisms. What is the most defensible first prediction for a predator that depends on it?
In ecosystem model 14, which path shows matter cycling?
Course mapping reviewed by Nikhil on 2026-08-26. Practice is authored for PeerTutor and does not reproduce linked providers' exercises.