which is a difference between a compound light microscope and a transmission electron microscope?

The cluster of developing cells from conception until birth is called an

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

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?