Read the following prompt and type your response in the space provided Identify the part of the central nervous system.

What are some natural processes that represent physical and chemical changes?

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.

20 the main source of energy for our planet comes from the