What are some examples of barriers to dispersal of organisms? What are examples of factors that would act as filters to only certain species? Why do you think this study looked at only nonflying mammals?
Salt or fresh water would act as a barrier to fresh or salt water organisms. Climate zones act as a barrier. This study looked at nonflying mammals because climate and altitude would not be a barrier to flying organisms.
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Alley cropping, terracing, and contour planting are all methods that help reduce ____________________.
Fill in the blank(s) with the appropriate word(s).
The tipping point in a neighborhood ________.
A. is the point in time in which the original charter group begins to confront the minority ethnic group in the neighborhood B. is an internal control as it assures the support of its residents and acts as a point of entry in the migration chain C. is an external control used by the charter group to guarantee its superiority D. is when the charter group leaves the neighborhood and relinquishes the area to the one-time minority group
The AB blood type in humans is an example of
A) codominance. B) pleiotropy. C) incomplete dominance. D) a polygenic trait.
Evaluate how the location of ancient cultural hearths has influenced modern population distribution
What will be an ideal response?