The figure shows a classic experiment that demonstrates the principle of osmosis. the left side of the u-tube is filled half-way with 10% red sugar water. into the tube on the right, distilled water is poured until it is even with the red sugar water. a semi-permeable membrane is placed in the brown area. predict what will happen in the u-tube after several hours.

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.