CAIE IGCSE Biology 19.4.3 Ecosystem As a Unit Containing Questions

Practise describing an ecosystem as a community of organisms interacting with its physical environment.

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

[Maximum number: 2]

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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CAIE IGCSE Biology 19.4.3 Ecosystem As a Unit Containing Questions question 1