Question

Consider a grassland with five trophic levels: grasses, mice, snakes, raccoons, and bobcats. If you released additional bobcats into the grassland, how would grass biomass change if the bottom-up model applied? If the top-down model applied? please do not copy and paste from google.com. please do not upload a handwritten cursive picture of your response. please only type the text out only.

Answer 1

In bottom up model the producers such as plants will control the ecosystem. whereras in top down model, the main preadators will control the ecosystem. Now, if we consider a situation which consists of grasses, mice, snakes, raccoons, and bobcats, grass will control in bottom up model whereras bobcat will control in top down model. So when more bobcats are released in grasslands, in bottom up model, there will be almost no effect on animals of lower trophic level and also on producers. In top down model, increased bob cat will results in decrease in mice, increase in snakes and raccons with a increase in grassland.