Which of the following statements about tolerance range is true?
a tolerance range is different for different organisms
b. the tolerance range is the total number of organisms that can be supported by an ecosystem.
c. tolerander range is affected by biotic factors in an ecosystem
d. the available water supply does not impact an organism's tolerance range
b i think
fossil fuels and stuff like that
your answer should be natural selection. hope this =^-^=
a tolerance range is differe...