The (maximum/optimum/selective) growth temperature is the temperature at which an organism exhibits the highest growth rate.

The answer is optimum growth temperature. In addition, the optimum growth temperature is the pre-eminent or most favorable point, degree, amount as of temperature, light, and moisture for the growth or reproduction of an entity. As bacteria produce in many surroundings from artic oceans to hot springs, it is not startling that the optimum growth temperatures differ.

Since the black bears eat both fruit and meat that makes them an omnivore