IF you were to take away the mouse, the snake would not have a food source except for crickets, which could go exstinct or become endangered by being the only food source for snakes. Then the plants that the mouse eats would become over grown and take over the plants, the wolf is also a predator of the mouse and would have less options for food, so the deer population could become less . if the deer population was decreasing then the plants that they eat would become over grown for the area.
IF you were to take away the mouse, the snake would not have a food source except for crickets, which could go exstinct or become endangered by being the only food source for snakes. Then the plants that the mouse eats would become over grown and take over the plants, the wolf is also a predator of the mouse and would have less options for food, so the deer population could become less . if the deer population was decreasing then the plants that they eat would become over grown for the area.