What is speciation? O The process of one species diverging into two species due to an environmental factor (pre or post-zygotic).
O The prcoess of a population changing over time.
O The mechanism in which the environment selects for or against traits in a population.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

i think that it is plants

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

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds