People continually waste, deplete, and degrade much of Earth's natural capital—a process known as point source pollution natural capital degradation ecological footprint loss of resources

Natural capital degradation

Explanation:

It is natural capital degradation because it involve the processes or activities of humans that which constantly waste, use up or diminish and deteriorate the Earth's natural capital which is the stock of the Earth's abundance nature which include soil, water , air, living things in which human derive alot of benefit from.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms