sciencegcse← B7 overview

Biology · Paper 2 · Foundation + Higher · B7

Communities and interdependence

Key ideas1 of 3

From one organism to an ecosystem

A population is all the organisms of one species in an area. A community contains populations of different species. An ecosystem includes the community and its interactions with the non-living environment. A habitat is the place where an organism lives.

Nested individual, population of one species, community of different species, and ecosystem including water, sunlight and rocks.

Next: Abiotic and biotic factors →
Practice, downloads and sources

Daily 5 · Exam practice · Revision sheet ↓

Foundation + Higher · B7. Fifteen lessons for Foundation and Higher, including required practical 7.

AQA Combined Science Trilogy 8464 · 4.7.1.1. Original notes, questions and diagrams. Models are simplified; teaching data are illustrative.