Which mechanism of evolution below examples are involves: Natural Selection, Genetic Drift (Founder’s Effect or Bottlenect Effect), Sexual Selection, or Gene Flow.

1- A large hurricane blows a log offshore to an island. A group of beetles that were living on the log arrive on an island and begin to interbreed with the population of beetles that were already living on the island.
2- Cats and dogs are often given flea medications to control flea outbreaks. In one area, the flea medications are no longer working because the fleas have acquired a mutation that makes them resistant to this type of chemical.
3- A volcanic eruption causes lava to flow down the slide of a mountain that is the habitat for a population of sloths. Being slow, the sloths are unable to outrun the approaching lava flow and die. A few sloths were in trees not burned by the lava flow and survived. These sloths are the last of their kind in this region of the rainforest.

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Briefly describe the scenario that was discussed in the behaving brain that demonstrated that the brain can change based on state or mood. which disease could the research involving rats and learning experiments that was discussed in the behaving brain ultimately with? in the behaving brain, what is a common misunderstanding about amnesia that was mentioned? what is the truth about amnesia that's mentioned? what does research discussed in the responsive brain show to be different in men and women's reaction to touch? what was discussed in the responsive brain as being brain-based and a vital part of normal growth and development in young children? in the responsive brain, what do they discuss as a possibility for leading to deficiencies in cognitive impairment as we age? in the responsive brain, what did the research involving african cichlid fish demonstrate? briefly describe the back story and affliction of the author of peter pan. what did you find most interesting about the behaving brain video, and why? what did you find most interesting about the responsive brain video, and w

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.