Which of the following represents the 'niche' of a species?
Correct answer: A. The habitat and specific functions of a species
- A. The habitat and specific functions of a species
- B. The specific place where an organism lives
- C. The specific specie's function and its competitive power
- D. none of these.
Explanation
Niche/ecological niche is the specific part of a habitat occupied by individuals of a species which is circumscribed by its range of tolerance, range of movement, microclimate, type of food and its availability, shelter, type of predator and timing of activity. A habitat has several ecological niches and supports a number of species. An ecological niche is used by a single species. Two or more species cannot use the same niche despite having a mutualistic association. Organisms or populations in competition have a niche overlap of a limited resource for which they compete. Both owls and cats feed on shrews and mice. They occupy the same niche because of being ecological equivalents though their habitats are different.
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