CAIE IGCSE Biology 19.4.2 Defining a Community
Practise defining a community as all the populations of different species within an ecosystem.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- define a community as all populations of different species in an ecosystem
- distinguish it from one population and from an ecosystem that also includes the environment
19.4.2—Community as all of the populations question 1
Fig. 5.1 shows Mackinlay's cuckoo-dove, Macropygia mackinlayi, which is found on most of the islands in the south-west of the Pacific Ocean.
Fig. 5.1
Karkar Island is one island where Mackinlay's cuckoo-dove is found. This species is part of many communities that are adapted to the different habitats on the island.
Define the term community.
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