Proceso natural dónde solo sobreviven los mejores adaptados

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Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

How does an angiosperm prevent self pollination