
Ecosystem balance model
Use the labels to connect each part of ecosystem balance to the Grade 9 Biology idea.- 1Plants -> Animals: support food chain of
- 2Decomposers -> Environment: return materials to
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Lesson
An ecosystem includes living organisms and their environment, while waste management focuses on reducing harmful effects of waste on that balance. Good answers combine food relationships, decomposition, and conservation logic.
Learning objectives
Explain Ecosystems and Waste Management using the correct Grade 9 Biology terms.
Connect structure, function, process, and biological significance accurately.
Use diagrams, examples, and sequence words where the topic needs them.
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