Regardless of race all human beings have about the same number of melanocytes. a. true b. false

yes? sounds right, but you didn’t ask a question.

it would be heredity

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 

the answer is 100% density i've answered this question before and done the quiz myself.