Can you help me :(

It's a due tom.

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 statement applies only to the axial skeleton, not the appendicular skeleton?

Which of the following is the best definition for a system? a. something that takes up space and has mass b. the form and arrangement of an object c. the collection of organs d. a group of connected or related things