Why is antibiotic resistance among the salmonellas on the rise?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

Which anatomical plane is the only one that could not show both the sternal region and vertebral region