The diagram shows a general representation of an energy pyramid for a living system. as energy flow through the pyramid, a. 25% of energy is gained at each increasing trophic level. b. 10% of energy is lost at each increasing trophic level. c. energy remains the same at each trophic level. d. energy increases at each trophic level.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

What was darwins theory of common decent

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes