How is each trophic level of the biomass pyramid related to the adjacent trophic levels? a. each trophic level contains ten times as much biomass as the level below it and one-tenth as much biomass as the level above it. b. as the trophic levels progress from phytoplankton to sharks, there is a decrease in the amount of biomass but an increase in the amount of available energy. c. as the trophic levels progress from phytoplankton to sharks, there is an increase in both the number of individual organisms and the biomass. d. each trophic level contains one-tenth as much biomass

D. Each trophic level contains one-tenth as much biomass

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-Payshence

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).