Imagine an earthquake creates a chasm that separates a population of squirrels. the two populations of squirrels evolve into two separate species. what is the name of the process by which isolated populations of the same species become new species?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.