Which of these describes one way that the human nervous system maintains a constant body temperature when the external temperature is cold?

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

An uncomfortable feeling in the ears when descending in an airplane is caused by changes in air pressure on the: a. inner ear b. middle ear c. eardrum d. hammer/anvil