Which molecules contain instructions for building proteins

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.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which prefix mean under less or below