Homeostasis

Question 1

What is an endotherm

Answer 1

Uses heat produced internally to maintain body temp.

Question 2

What is an advantage and disadvantage of ectorherms compared to endotherms

Answer 2

Adv. - Less food needed and more O2 used for growth
Disadv. - Metabolism slow at low temp. and risk from predators when body temp. is low
Unable to fight for food when body temp is low

Question 3

What are features of ectotherms

Answer 3

Control body temp less well than ednotherms
Temp varies with enviornment
Can control body temp with envirornment
Uses mainly behavioural but some psychological to control metabolism

Question 4

What are features of endotherms

Answer 4

Uses mainly psychological but some behavioural responses to control metabolism
Generally uses psychological responses to control temp. (sweating shivering use of metabolic heat)
Uses behaviour to control temp sometimes (wrist licking and migration)

Question 5

WHat are ectotherms

Answer 5

Animals that use their surroundings to maintain body temp.