In which region are earths most diverse and productive biomes located a. underground b. on polar caps c. in the tropics d. on mountaintops need asap

The correct answer is option C) in the tropics.

The most diverse and productive biomes are located in the tropics which are situated in the middle of the globe surrounding the equator. The reason behind this is that tropics receive ample sunlight almost through out the year and have plenty of water. The primary productivity of tropical rainforests is around 9,000 Kcal per meter^2 per year which is highest amongst all the biomes. Also, their hot and humid environment makes it a perfect place to live in. That is why they are quite rich in wildlife variety.

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

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.