The answer is C. The distribution of traits in a population
They break down the organic matter that has died so that the nutrients stored with in it can be reused.
A learned behavior is a behavior towards responding to a stimulus.In this case, the characteristic of a mink which is leaned will be to release a smelly fluid from a scent gland when threatened.In addition,a learned behaviour occurs when an individual acquires changes in their behaviour which is obtained from their daily interaction with the environment.
