PLZ HELP WILL GIVE BRAINLIE AND STARS AND I WILL BE YOUR FRIEND

passive: doesn't require energy, from high to low concentration

active:requires energy, from low to high concentration

i dont know maybe

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

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