A niche refers to the particular roles and functions of a species or organism in an ecosystem. A niche is a species’ role, or the sum of its biotic and abiotic resources in its habitat. Sometimes, it also refers to the specific area that an organism inhibits. Niche is an example of an evolutionary result of the adaptations of a species according to its surroundings. Pictured here is a group of goldfishes. The ecological niche of the goldfish is to survive on its own without being harmed or devoured by predators. It also must obtain sufficient food and nutrients to feed and sustain itself with. Almost all spices have an ecological niche and serve a specific function(s) in its own ecosystem. Other species of animals underwater serve as bottom feeders, food for other animals, and various other purposes.


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