Why does the skeleton stop growing in length? A. Because the growth plates stop working B. Because the bones reach their maximum length C. Because there is not enough calcium and other nutrients in the body D. Because the cartilage in the growth plate has been replaced by bone

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.