Learn. Niche Definition. An ecological niche is the role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces. An ecological niche describes an organism’s position on this planet, how it fits into the ecosystem and which conditions are optimal for survival. The niche (better refined as the ‘ecological niche’) is determined by the biotic factors, which comprise of living features such as animals, plants and fungi, and abiotic factors. A shorthand definition of niche in biology is how an organism makes a living in a place.. Supplement The fundamental niche describes the potential area and resources an organism is capable of using. See more. PLAY. The niche of an organism is the functional role that it plays within an ecosystem.. STUDY. Ecological niche definition, the position or function of an organism in a community of plants and animals. Ecological Niche. Terms in this set (7) What is an ecological niche. Ecological niche. You may have heard the word "niche" before, but what does it mean when we talk about an organism's niche. Write. Spell. DTBGBUK. Niche, in ecology, all of the interactions of a species with the other members of its community, including competition, predation, parasitism, and mutualism. An ecological niche is the part of the environment into which a species fits, and to which it is adapted. However, the term has been used in different ways. It is not only a place but a way of life. Match. A niche describes how an organism fits into the environment. Created by. Test. Ecological niche subsumes all of the interactions between a species and the biotic and abiotic environment, and thus represents a very basic and fundamental ecological concept. Definition noun The full range of environmental conditions and resources an organism can possibly occupy and use, especially when limiting factors are absent in its habitat. A variety of abiotic factors, such as soil type and climate, also define a species’ niche. According to the MarineBio Conservation Society, animals evolved through natural selection and went through changes to their physical structure, physiology and behavior to survive. Gravity. In ecology, a niche is a term describing the relational position of a species or population in an ecosystem. Ecological niche. A niche refers to where an organism lives and what it does there. The ecological niche of an organism is a complete description of: The range of abiotic factors it can tolerate. Joseph Grinnell, an American ecologist, was the first person to develop the idea of an ecological niche. His definition, which he wrote about in scientific papers starting in 1917, focused on the environmental factors that determined where a species … Flashcards.