Which of the following reasons best explains why american indians in the arctic built igloos? a. to provide shade from the sun b. to provide shelter from the cold c. to store the meat from animals they hunted d. to store plants and other food they gathered during the summer

For 50 points populations within ecosystems can be separated into categories—producers, consumers, and decomposers. these categories represent a. the fossil records of organisms. b. the reproductive methods of organisms. c. the body plans of organisms. d. the functions that organisms serve.