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Other than bacteria, which factor leads to nitrogen fixation? a. lightning b. flood c. rain
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Afruit fly population has a gene with two alleles, a1 and a2. tests show that 70% of the gametes produced in the population contain the a1 allele. if the population is in hardy-weinberg equilibrium, what proportion of the flies carry both a1 and a2? a) 0.49b) 0.7c) 0.42d) 0.21
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Animals return water to the atmosphere through: respiration transpiration perspiration elimination evaporation
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Other than bacteria, which factor leads to nitrogen fixation? a. lightning b. flood c. rain...
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