Asap. i also need explanations to go with the answer

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.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Why do oceanic plates tend to subduction when colliding with a continental plate