AP BIOLOGY

Detailed explanation-1: -Elephant group structure is formed of family units of around 10 individuals, although when elephant families come into contact, they may bond to form larger groups – called ‘herds’ – of up to 100. Each of these herds forms a local population.

Detailed explanation-2: -Community: A group of populations living together and interacting with each other within a given area.

Detailed explanation-3: -A community includes all the populations of the area. The community and the abiotic factors make up the ecosystem. An organism lives in its habitat within a community.

Detailed explanation-4: -A community is made up of all the populations of organisms or different species living and interacting with each another within the same place or an area at the same time. It is also called as the biological community.

Detailed explanation-5: -Ecosystem: The collection of all living organisms in a geographic area, together with all the living and non-living things with which they interact. · Acquatic Ecosystems (water-based) ecosystems. · Terrestral Ecosystems (land-based) ecosystems. Population: A group of organisms of the same kind living in a given area.