Scientific explanation about how your body reacts to getting stung by yellow jackets? What goes on in your body (why your toungue feels funny, welts appear over your body, and why it gets hard to breathe)? What chemicals are involved?

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.