Chapter 2

Question 1

Specific Heat

Answer 1

Energy required to raise water temperature by 1 degree C

Question 2

Density of water

Answer 2

Water is at its highest density at 4 degree Celsius

Question 3

Viscosity

Answer 3

Causes objects to encounter resistance as they move through water

Question 4

Acidity

Answer 4

Concentration of H+ ions

Question 5

Diffusion

Answer 5

Movement of substances from high concentration to low concentration

Question 6

Solutes

Answer 6

Substances dissolved in water

Question 7

Osmosis

Answer 7

Movement of water across a semipermeable membrane from areas of high concentration to low concentration

Question 8

Osmotic potential

Answer 8

The force by which a solution attracts water

Question 9

Osmoregulation

Answer 9

Mechanisms organisms use to maintain a proper solute balance

Question 10

Hyperosmotic

Answer 10

Tissue solute concentrations are higher than surrounding water

Question 11

Hyposmotic

Answer 11

Tissue solute concentrations are lower than surrounding water

Question 12

How is CO2 diffused in water?

Answer 12

It is converted to bicarbonate or carbonate ions

Question 13

Boundary Layer

Answer 13

A region of unstirred air or water that surrounds the surface of an object

Question 14

Countercurrent Circulation

Answer 14

Blood and water flow in opposite directions so that the concentration of O2 in water is greater than the concentration of O2 in the blood

Question 15

Anaerobic

Answer 15

When an environment is depleted of oxygen

Question 16

Thermal Pollution

Answer 16

Changing the temperature of the environment

Question 17

Thermophilic

Answer 17

Heat Loving

Question 18

Thermal Optima

Answer 18

The best temperatures an organism can perform in

Question 19

Isozymes

Answer 19

Different forms of an enzyme that catalyze a reaction