*ANSWER ASAP* Which characteristic is common to grasslands, dry woodlands, and shrublands? a.) They have the same soil composition. b.) They rely on fire as part of their renewal. c.) They have the same amount of precipitation. d.) They have the same terrain.

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.