A polar bear has thick, white fur that camouflages it when it sits on snow. Which type of adaptation is this modification? A. structural B. natural C. functional D. behavioral

What are the main risk and main benefit of a society using geothermal energy? A. Risk of high greenhouse gas and particle emissions benefit of reducing short-term costs B. Risk of harm to flying animals benefit of reducing greenhouse gases C.

Where do you find yellow marrow?

What is the cycle called when moisture takes from the ocean to the runoff that forms a river?

True or False? The earth's magnetic poles coincide with its geographic poles.

Oxidation of lactic acid into pyruvic acid involves (1) coenzymes donating hydrogen atoms to lactic acid. (2) a gain of potential energy for pyruvic acid. (3) removal of hydrogen atoms from lactic acid. (4) adding electrons to lactic acid

A 64 N object is lifted to a height of 5 m. What is the potential energy of this object?

Contamination of food items by other living organisms is a known as

Minerals are naturally occurring, inorganic solids that have a crystalline structure and a definite chemical composition. True or False

What does it mean for an organism to be anaerobic? a. It is poisoned by water. b. It lives in salty environments. c. It is poisoned by oxygen. d. It produces large amounts of oxygen.

Chorionic villi sampling (CVS) is a test to determine whether fetal cells have genetic abnormalities and can be performed as early as 8 weeks. Chorionic villi cells are removed using a small tube that is passed through the cervix.