An important abiotic factor affecting a shrub community is the * A) type of shrub species present

B) amount of annual rainfall

C) number of predatory animals present

D) Availability of autotrophic organisms

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