What is an adaption? A. Change in a population to fit (better adapt) to a location
B. Humans changing a location to make it better for people
C. A single mutation that is not passed on to others
D. When a couple agrees to take in a child as their own

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Which is the correct formula for photosynthesis

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.