Answer:
I would say I, II, and III. All ways could describe a situation where drinking water is contaminated.
Answer:
Only some species may survive the event
Explanation:
Evolution is most likely to occur when catastrophic events alter community composition. Catastrophic global event can influence that only the hardiest, generalist species may survive. Specialists may be left without food and starve.
Just say we have a big amount of tryptophan in the sense that it exceeds, tryptophan would act as a co-repressor which prevents synthesis of more enzymes for its production
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A- Temperature.
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