Respiration & Food

Question 1

What is aerobic respiration?

Answer 1

Aerobic respiration is when you use oxygen to gather energy.

Glucose + Oxygen -> CO2 + water (+energy)

Example is 1.5Km run

Question 2

What is anaerobic respiration?

Answer 2

Aerobic respiration is when you don’t use oxygen to respire

Glucose -> Lactic acid (+ energy)

Example is 100m sprint

Question 3

What is oxygen debt?

Answer 3

When you breathe quickly to get more oxygen

Question 4

What is fermentation?

Answer 4

A type of anaerobic respiration

Glucose -> Ethanol + CO2 (+energy)

It is used to make yeast rise

Question 5

What are the first 3 organisms in a food chain?

Answer 5

Producer - gets energy through photosynthesis. E.g grass

Herbivore - eats plants

Carnivore - eats animals

Question 6

What do the arrows show in a food chain?

Answer 6

The transfer of energy from one organism to another

Question 7

The more links the __ energy transfer to the ___

Answer 7

less
top of the food chain

Question 8

What is buoaccumulation?

Answer 8

The process by which the levels of toxins increases up the food chain