What animals compete over ants as a food source?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Construct at least two possible hypotheses for the student’s experiment.