You are camping in the Rocky Mountains. As you look through the door of your tent, a grizzly bear stares back at you from two feet away. Your first stress response is

A) resistance
B) exhaustion
C) alarm
D) plateau

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously