can you see if these answers are correct? for #10, should I check box Long term

Question

can you see if these answers are correct? for #10, should I check box Long term weather patterns?

Q9. Under which of the following conditions is a population most likely to evolve a bimodal distribution? Selection favors multiple distinct trait values, and similar individuals tend to mate with each other. Traits are strongly correlated, and a low carrying capacity keeps the population size small. Environmental conditions change rapidly, and a low mutation rate limits the establishment of new variants Selection is weak, and individuals produce large numbers of offspring each generation. Submit Answer saved to SimUText server Q10. In the lab, which of the following factors made it more likely that similar individuals would mate with each other? Check all that apply: Selectivity in choosing mates. The availability of smaller seeds. Geographic barriers separating subpopulations. Long term weather patterns. Submit

Explanation / Answer

#9-A- selection favors multiple distinct trait values, and similar individuals tend to mate with each other

this is because bimodal dristibution is - 2 distinct types with little or no mixing or other types.so bimodal dristibution can take place only if there are multiple favoured sets but little value in being between those traits.

where as option B will led to fixing of single trait C with diverse population and D will allow everything.

#10- NO u dont have to check the long term weather pattern as only selectively chosing mates and geographic bariers separating subpopulation are correct as these 2 condition increase the chance of mating as the individual belong to same group and there is a barier made so that the subpopulation would mate in their population only.

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