The tolerance range is the limit of the abiotic factors in which an organism can survive. It has maximum and minimum limits. The tolerance range of different animal varies.
The tolerance range is the availability of the abiotic factors in the ecosystem of the species that is maintained and used by the species for survival and functional activities.
It is different for the various organisms as it is affected by the availability and ecosystem of the species. Some of the common abiotic factors are climate, water, temperature, trees etc. Too many and too less factors affect the organism.
Therefore, option a. tolerance range varies for the organisms.
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