What determines the sex of an organism? A) the kind of sex chromosome it receives
B) the kind of sex cells it produces
C) the number of sex cells it produces
D) the number of sex chromosomes it receives

it creates acid rain

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 

sex cells are usually half's then they find another half and make a fertilize egg