According to the fluid mosaic model, a membrane .

i think it's c

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick

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 

ya the other dude is right