Darwin observed that there were finches on Galapagos Islands that had different foods and beaks but it turns out that they were related genetically to an original mainland finch. What evolutionary mechanism is responsible for these birds having evolved different beaks

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

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.