How long does it take for methadone metabolites to show up in a saliva test?

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a.changes in genetics in human populationsb.antibiotic resistance in bacteria populationsc.pesticide resistance in garden insectsd.changes in the color of the peppered moth population in england

Under which of the following circumstances would natural selection not operate on an organism

Which process moves molecules and has these traits? -moves from high concentration to low concentration -moves from uneven distribution to even distribution -can occur when there is no membrane o o active transport in a cell diffusion osmosis o passive transport in a cell