a. To store fat b. To regulate blood glucose levels c. To protect vital organs from shock d. To insulate the body from temperature extremes e. To secrete proteins that help regulate energy balance

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.