What organ makes sucrase?

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 does science influence the decisions made about social, economic, and political issues?

Were you able to observe the nucleolus in any of the cells if so which ones