sentence: Communities are also divided into populations.
sentences_before: All the different organisms that live together in an ecosystem is called a community. Each ecosystem has its own community. A terrarium community, for example, can have small animals. A desert community may have cacti, small snakes, and scorpions. A pond community can have frogs, insects, snakes, and plants, and a forest community may have rabbits, foxes and pine trees.
sentences_after: A population is composed of only one type of species.
concept_name: community
headings: Ecosystem
categories: Ecosystems