What happens between an in-breath and an out-breath? Explain the movement of gases and where this movement takes place.

Greater amounts of the pigment carotene are produced when the skin is exposed to the sun

Variation is a term that is used to describe A. how repetitive a data set is B. how large or small a data set is C. how spread out or scattered a data set is. D. how different a data set

What is the closest relative of canis lupus

Where are all the organelles located

Both animals and plants depend upon a genetic code for reproduction. True False

When changing lanes, you should: A. Adjust your speed to match traffic in the new lane B. Move over several lanes at once C. Wait until you're at an intersection to perform the maneuver

Which structure does this organism use for movement? a. cilia b. contractile vacuole c. flagella d. pseudopodia?

How does cell division differ in plant cells and animal cells?

Air pollution can be controlled by A.) permitting more storm runoff B.). Burning more coal C.). Eliminating sewage D.) putting scrubbers on power plants

consider the structure and function of fats to predict which animal would have more fat: one that live close to the poles or one that lives close to the equator?