On page 7 you will find a figure. In this figure you will see that Organisms lead to population and populations lead to communities. What do communities lead to

Ecosystem

Explanation:

A community refers to all the animals and plants that coexist in a given area. A community leads to an ecosystem. An ecosystem is an ecological unit consisting of a community of living organisms and its physical environment. Such a unit will consist of plants, animals and microorganisms as well as non-living components like water, soil and air.