Enter your Name:   Enter your E-mail Address:  01a. Define Ecosystem 01b. Define Biomass 01c. Define Watershed 01d. Define Transpiration 01e. Define Greenhouse effect 02. What is the most likely consequence of removing the snake and raccoon from this ecosystem? 03. What are the possible trophic levels of the owl? 04. What are the possible trophic levels of the frog? 05. Draw an ecological pyramid of an ecosystem that has twice as much biomass in producers as primary consumers, twice as much biomass of primary consumers as secondary consumers, and twice as much biomass of secondary consumers as tertiary consumers. 06. Name two of the symbiotic relationships that we learned about in this module and briefly discuss the role of each participant. 07. The stream flowing from a watershed has an algal bloom caused by too many nutrients in the water. What is the most likely explanation for this? 08. Does photosynthesis add oxygen to the air or remove it? 09. Besides photosynthesis, how can carbon dioxide be removed from the air? 10. If surface runoff did not occur in the water cycle of an ocean shore ecosystem, what would happen to the ocean? 11. Explain this statement: "The greenhouse effect is a good thing, but global warming is too much of a good thing." 12. Is global warming occurring today?