Trophic levels - 2

Question 1

food chains and trophic levels

Answer 1

Food chains show feeding relationships and energy flows within a biological community. An organism’s trophic level describes where it fits into a food chain. Trophic levels are given numbers

Question 2

food chain: level 1

Answer 2

At the base of all food chains, there are green plants and algae.
These are called producers and use light energy from the Sun to synthesise (make) their own food.

Question 3

food chain: level 2

Answer 3

Herbivores that eat green plants and/or algae are called primary consumers.

Question 4

food chain: level 3

Answer 4

Carnivores that eat herbivores are called secondary consumers.

Question 5

food chain: level 4

Answer 5

Carnivores that eat other carnivores are called tertiary consumers.

Question 6

decomposers:

Answer 6

Decomposers, such as bacteria and fungi, are responsible for recycling organic matter within an ecosystem.
And the final stop in food chains

Question 7

decay:

Answer 7

Decomposers break down dead material from other organisms using enzymes.
The decomposers then use this broken-down material for their own growth, bringing the nutrients back into the living food chain.
This process is known as decay.