Fill in the blank. Movement occurs when muscles . cause a change in the length of the muscles (as pictured in the diagram below), whereas cause no change in length.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

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