The environment in which a population of rabbits lives becomes warmer over several decades. which of these will most likely happen?
a. rabbits with smaller feet will survive better.
b. the rabbits will have more competition for shelter.
c. the rabbit population will have no natural variation.
d. rabbits that have thinner fur will produce more offspring.

The environment in which a population of rabbits lives becomes warmer over several decades. Rabbits that have thinner fur will produce more offspring.
So the answer is D.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

A,b,c is the answer to the question