Trophic levels - 2 Flashcards

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1
Q

food chains and trophic levels

A

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

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2
Q

food chain: level 1

A

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.

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3
Q

food chain: level 2

A

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

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4
Q

food chain: level 3

A

Carnivores that eat herbivores are called secondary consumers.

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5
Q

food chain: level 4

A

Carnivores that eat other carnivores are called tertiary consumers.

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6
Q

decomposers:

A

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

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7
Q

decay:

A

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.

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