CAIE IGCSE Biology 19.4.3 Defining an Ecosystem
Practise describing an ecosystem as a community of organisms interacting with its physical environment.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that an ecosystem contains a community of organisms and its environment
- use interactions between organisms and abiotic conditions to distinguish an ecosystem from a community
19.4.3—Ecosystem as a unit containing question 1
Coral reefs are important ecosystems.
Complete the sentence about ecosystems.
An ecosystem can be defined as a unit containing the of organisms and their interacting together.
Fig. 6.1 is a photograph of a coral reef.
Fig. 6.1
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