Which cell cycle process allows skin cells to grow back after an abrasion?

Which organelle releases chemicals that break down large food particles into smaller ones?

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?

All phases of matter may have a fixed mass