Energy is Transferred Along a Food Chain

Question 1

What is energy from the sun the source of energy for?

Answer 1

Nearly all life on earth

Question 2

What do plants use light energy from the sun for?

Answer 2

Making food during photosynthesis

Question 3

What does this energy work it’s way through?

Answer 3

The food chain as animals eat the plants and each other

Question 4

How much energy available to the organisms in a trophic level is lost on to the next trophic level?

Answer 4

Around 90% of the energy is lost in various ways

Question 5

Some parts of food aren’t aren’t eaten by organisms….

Answer 5

So the energy isn’t taken in

Question 6

Some parts of food are indigestible so…

Answer 6

Pass through organisms and come out as waste e.g faeces

Question 7

What is a lot of the energy taken in by get used for?

Answer 7

Staying alive e.g respiration

Question 8

What is most of this energy eventually lost to?

Answer 8

The surroundings as heat

Question 9

What percentage of total energy becomes biomass?

Answer 9

10%

Question 10

Why do you get pyramids of biomass and energy?

Answer 10

Material and energy are both lost at each stage of the food chain