Between what ages is a human likely to have 4.6 million red blood cells?

i don't know what the picture looks like but i can take a guess and say maybe basidiomycetes?

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 

wegner's theory did not explain how the continents could move

explanation:

if you listed your answers right then i believe your answer is b.