Lesson 3 : Food Chains Ppt

Question 1

What happens at each trophies level

Answer 1

At each trophic level in the chain a portion of the available energy is lost due to
- heat energy from respiration (80%) the organism needs to live , move and reproduces

• chemical energy from waste (10%)

Question 2

What happens at each tropic level / how much energy is lost at each trophic level

Answer 2

At each trophic level 10% is transferred and the remaining 90% is lost to the surroundings as heat and chemical energy.

Question 4

Food chain names and description

Answer 4

Producer -> primary consumer -> secondary consumer -> tertiary consumer —> / apex predator

Question 5

What are all primary consumers

Answer 5

Herbivores

Question 6

What is a food chain

Answer 6

The transfer of energy in an ecosystem