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5th Grade Science
Environmental Systems
16. Ecosystems
16.2 Energy Flow, Food webs and energy pyramids
Energy Flow, Food Webs, and Energy Pyramids: How Ecosystems Work
You will discover how energy travels from the sun through producers, consumers, and decomposers, and why energy decreases at every level of a food chain.
What You'll Learn
You learn how sunlight powers all energy flow in ecosystems.
You discover food webs show complex feeding relationships between organisms.
You analyze energy pyramids showing energy decreases at each level.
You identify roles of producers, consumers, and decomposers in ecosystems.
What You'll Practice
1
You will identify producers, consumers, and decomposers in food webs.
2
You will apply the ten percent rule to energy pyramid questions.
3
You will analyze how removing one organism affects the whole ecosystem.
Why This Matters
Understanding energy flow and food webs helps you see how all living things are connected and why protecting ecosystems matters for every organism on Earth, including you.
This Unit Includes
2 Video lessons
Practice exercises
Learning resources
Skills
Food Webs
Energy Pyramids
Producers
Consumers
Photosynthesis
MO Curriculum Aligned