What spheres of the earth are involved when carbon dioxide dissolves from the air into the ocean

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Consider this plant cell which organelle is labeled g

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.