What is a sinus ? a- hr 0-60 b- hr 101-200 c-hr x> 200 d-hr - 60-100 18 point

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.