Alan used a flashlight as the Sun and a ball as the Earth. He placed the flashlight on a table. Then he held the ball and started to walk around the flashlight to show the day and night cycle of the Earth. What should he do to correctly show the day and night cycle of the Earth?

Rue or false siblings look simila rbecause they each have some traits of their parents.

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above