Which of the following is a biological aspect of an organism's niche? A) the way it gets food
B) amount of sunlight
C) the water in the area

answer: a. a gene that causes a specific trait.

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