Problem: For each of the following scenarios label if it is an example of acclimation or adaptation.
a) In a population of snails, average shell thickness increases over several generations when a predatory crab is present in their ecological community.
b) A population of tomato plants is able to survive freezing temperatures after they have been exposed to incrementally decreasing temperatures over the course of a week.
c) Populations of Mycobacterium tuberculosis, the bacteria that usually causes tuberculosis, become resistant to antibiotics when their host fails to finish treatment.
d) A population of sheep grow much thicker wool coats than they did in the previous year, after moving from a temperate region to a significantly cooler area.
e) Humans produce more red blood cells and more efficiently supply oxygen to their organs after exercising at high elevation for two weeks.