48. Use the diagram below to draw the organisms in a four-step food chain. You can choose desert ecosystem or an aquatic ecosystem. Labelach of the fourtrophic evet
49. If 575, 250 Calories of energy are available at the first trophic level, calculate the number of
Calories available to the 2-, 34, and 4 levels.
2 Level:
34 Level:
4 Level:
50. Is it possible for an inverted pyramid to exist, like the one show here? Explain
your answer