The fact that neurons are inhibited by serotonin may explain the observation that impair ejaculation, but not erection, in male humans. lumbar spinothalamic; glutamate drugs medial preoptic; anticholinergic drugs medial preoptic; alcoholic drinks lumbar spinothalamic; selective serotonin reuptake inhibitors ventromedial hypothalamic; selective serotonin reuptake inhibitors

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.