Science final exam — Cell Biology and Plant Systems + 5 more topics

Your body has several main systems, each with unique roles. You can't understand one system completely without knowing how it interacts with others. Let's break down some of the most important ones.

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An ecosystem is a community of living organisms (biotic factors) interacting with each other and their non-living physical and chemical environment (abiotic factors).

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Atoms are super tiny, but they're not indivisible. They're made of even smaller bits called subatomic particles:

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An ecosystem is a community of living organisms (biotic components) interacting with each other and with their non-living physical and chemical environment (abiotic components). These interactions create a dynamic system where energy flows and matter cycles.