Which of the following is not associated with primary succession? A Lichen grows on bare rock and breaks it down into soil.
B Volcanoes formed new islands
C A forest completely wiped out by a tsunami.
D Glaciers retreated and exposed new land.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

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