Synchrony depends on . A. attention span B. breast-feeding C. responsiveness and timing D. stable mood

C. Responsiveness and timing

Explanation:

I just know it, I really don't know how to explain

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 

cell/ tissue/ organ/ organ system/ body