Factors that affect Energy Requirements + Metabolism

Question 1

What are three factors that affect energy requirements?

Answer 1

• Different animals require different amounts of energy.
• Size
• Metabolism

Question 2

What do different animals require?

Answer 2

Different amounts of energy.

Question 3

What do endothermic animals and birds require?

Answer 3

A large amount of energy to keep their bodies warm.

Question 4

What do ectothermic animals require?

Answer 4

A lesser amount of energy to keep their bodies warm.

Question 5

What do larger animals require?

Answer 5

Larger animals in general require more energy.

Question 6

What is metabolism?

Answer 6

Chemical reactions your body does to stay alive.

Question 7

What two activities are involved in metabolism? (in order by which they are performed)

Answer 7

Catabolism and Anabolism

Question 8

What does Catabolism involve?

Answer 8

The breakdown of materials in an organism.

Question 9

What is an example of Catabolism?

Answer 9

The chemical and physical breakdown of nutrients during digestion.

Question 10

What does Anabolism involve?

Answer 10

The building of larger, more complex molecules from smaller, simpler molecules.

Question 11

What is an example of Anabolism?

Answer 11

Uses materials and energy provided by catabolic processes to build complex materials needed for growth and repair.