Maintaining a Balance: Section 1

What is the role of enzymes?

Chemicals that act together with enzymes are called what?

pH is a way of describing what?

Why is the maintenance of a constant internal environment important for optimal metabolic efficiency?

Define homeostasis

What are the two stages of homeostasis?

What is a feedback mechanism?

What is a positive feedback mechanism and what is a negative feedback mechanism?

What are behavioural adaptations that humans use to respond to hot conditions?

What are behavioural adaptations that human use to respond to cold conditions?

What is an ectotherm?
Name 5 ectotherm organisms.

What is an endotherm?
Name 2 endotherm organisms.

What are Australian organism examples of an ectotherm and an endotherm

What are adaptations/responses that the ectotherm organism, Blue Tongue Lizard, uses to cope with an increase and decrease in external environment temperatures?

What are adaptations/responses that the endotherm organism, Red Kangaroo, uses to cope with an increase and decrease in external environment temperatures?

What are 6 responses of plants to temperature changes?

List 3 Australian plants and there adaptations to temperature changes