HELPPP ASAP!! How is your life different from that of most humans throughout history?

The term life expectancy means the average lifespan of an entire population, taking into account all mortality figures for that specific group of people. Life spans a measure of the actual length of an individual’s life. While both terms seem straightforward, a lack of historical artifacts and records have made it challenging for researchers to determine how life spans have evolved throughout history.

Explanation:

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