if I have 3 major predators in my ecosystem, 6 prey species, and only one type of vegetation, what would happen to the ecosystem if the vegetation got a disease and only 10% of the vegetation survived?

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations