In which of the following spheres of Earth is most carbon stored long-term? Atmosphere
Biosphere
Cryosphere
Geosphere

Which property is characterized by the ability to bend? a lustrous b conductive c malleable d opaque

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes