A scientist observes a bacterial specimen obtained from mud in a swamp. The bacteria are producing hydrogen sulfide (H2S) which creates a foul smell. What process is likely to be generating the H2S

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