Chapter 44

Question 1

Conformers

Answer 1

Change with their environment

Question 2

Q10 effect

Answer 2

Most enzyme reactions increase 2-3 times for every 10°C increase

Question 3

What are the 4 types of heat gain and loss?

Answer 3

1) Conduction
2) Convection
3) Radiation
4) Evaporation

Question 4

Ectothermic have…

Answer 4

Low metabolic rate (body temp based on environment)

Question 5

Endothermes have…

Answer 5

Low metabolic rate (generate own body heat) (very active)

Question 6

Vasodilation

Answer 6

An increase in The diameter of superficial blood vessels

Question 7

Vasoconstriction

Answer 7

Reduces the blood flow and heat transfer this increases diameter of blood vessels

Question 8

Torpor

Answer 8

Slows down the metabolism

Question 9

Hibernation is a form of torpor, this form of torpor is called…

Answer 9

Estiuation

Question 10

Excretory system’s

Answer 10

Involved in secretion and reabsorption

Question 11

Nephrons

Answer 11

They are the functional unit of the kidney

Question 12

Proximal tubule

Answer 12

Changes the filtrate concentration

Question 13

Distal tubule

Answer 13

Regulates potassium and salt concentration of the body fluids

Question 14

Antidiuretic hormone

Answer 14

Regulates water balance

Question 15

An organism that maintains homeostasis is known as….

Answer 15

A regulator