Which is the best definition of adaptive radiation?.

How many major plates cover the earth

What is a group of organisms that are closely related and share similar characteristics

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.