Atmospheric pressure is caused by a. air current
b. the weight of the atmosphere above a particular location.
c. clouds
d. the altitude above sea level.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

List two modern organisms that have pentameral symmetry

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.