1
Parts of an ecosystem
Identify biotic and abiotic components in a given ecosystem.
Chapter route
Our Environment
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2
Role in ecosystem
Identify ecological role based on nutrition and function.
3
Why decomposers matter
Connect decomposition with nutrient recycling.
4
Ecosystem interactions
Describe how organisms depend on one another and on physical factors.
5
Build a food chain
Arrange organisms in correct feeding order using arrows.
6
Read a food web
Identify multiple feeding relationships and possible effects of removal of organisms.
7
Trophic level logic
Identify producer, primary consumer, secondary consumer and higher levels.
8
Energy transfer in food chains
Estimate energy passed from one trophic level to the next.
9
Pollutants in food chains
Describe how persistent chemicals increase at higher trophic levels.
10
Waste that breaks down
Classify materials based on whether decomposers can break them down.
11
Impact of persistent waste
Explain environmental harm caused by plastics and other persistent materials.
12
Reduce waste wisely
Recommend reduce, reuse, recycle, composting and segregation strategies.
13
Ozone layer protection
Describe ozone function, depletion causes and health/environment risks.
14
Sustainable choices
Evaluate daily choices that reduce pollution and resource pressure.
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