Information Multiple choice key Mon. Eating grain-fed beef is a relatively inefficient means of obtaining the energy trapped by photosynthesis. Lizards are more numerous than snakes. Refer to the figure on the right, the diagram of a food web, for questions 6-8. Consumption by phytoplankton by zooplankton is so rapid that the standing crop of phytoplankton remains relatively low.
Phytoplankton have a relatively short turnover time.
Both responses above are correct. The trophic level efficiency of large herbivores such as deer is frequently only about 5 percent. Grasses and other plant material that deer eat is not easy to digest. One of the major factors in determining the distribution of biomes around the world is the latitude location of the area. Another factor is the type of soil in a particular location.