I think the correct answer from the choices listed above is option A. Tolerance range is different for different organisms. <span>Animals can </span>tolerate<span> (or survive within) a certain </span>range<span> of a particular factor, but cannot survive if there is too much or too little of the factor. But this range depends on the organism. Hope this answers the question.</span>
I believe that it is the seeds deep inside the flower. They both produce cells by the meiosis.
B. Style
A writers choice of words, or diction, mostly affects an essay’s style.