Asap extra points you get a flu shot this year, but next year you have to get another because the flu virus has changed over time and your body is not able to protect you against the new virus. the change in the flu virus is an example of select one: a. wallace theory b. evolution c. artificial selection d. viral strategy

Nucleic acid certain protein cell membranes certain carbohydrates

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

What best describes emerging scientific ideas