Greenhouse gases are best described as . . a. the result of fossil fuel use . . b. . gases that cause the greenhouse effect . . c. . carbon dioxide and methane . . d. . gases that trap energy from the sun in earth’s atmosphere .

the answer to this question is actually D

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg