8. if you had to predict which enzyme (cellulase or pectinase) was going to break down a plant cell better and extract the most juice from the inside, which one would you pick? explain

the answer is a) a shiprock was formed by igneous process

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