What is a producer?
Reveal answer
Makes its own food by photosynthesis.
Key words: photosynthesis
5(b) FEEDING RELATIONSHIPS · RECALL
5.6 Trophic levels
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What does a primary consumer eat?
Reveal answer
Producers (plants).
Key words: producers
What does a secondary consumer eat?
Reveal answer
Primary consumers.
Key words: primary
Examples of decomposers?
Reveal answer
Bacteria and fungi.
Key words: bacteria · fungi
Why are decomposers important?
Reveal answer
Break down dead matter → release minerals → recycled to plants.
Key words: minerals
What is a tertiary consumer?
Reveal answer
Eats secondary consumers.
Key words: secondary
What is an omnivore?
Reveal answer
Eats plants and animals.
Key words: plants
What is meant by the term trophic level?
Reveal answer
The feeding position of an organism in a food chain.
Key words: trophic level
What is meant by the term consumer?
Reveal answer
An organism that obtains organic nutrients by feeding on other organisms.
Key words: consumer
What is meant by the term decomposer?
Reveal answer
An organism, such as a bacterium or fungus, that breaks down dead material and waste.
Key words: decomposer
Trophic levels in a woodland chain, Producer. Feeding role? Example?
Reveal answer
Feeding role: Makes organic molecules by photosynthesis. Example: Oak tree.
Key words: Producer
Trophic levels in a woodland chain, Primary consumer. Feeding role? Example?
Reveal answer
Feeding role: Eats producers. Example: Caterpillar.
Key words: Primary consumer
Trophic levels in a woodland chain, Secondary consumer. Feeding role? Example?
Reveal answer
Feeding role: Eats primary consumers. Example: Blue tit.
Key words: Secondary consumer
Trophic levels in a woodland chain, Tertiary consumer. Feeding role? Example?
Reveal answer
Feeding role: Eats secondary consumers. Example: Sparrowhawk.
Key words: Tertiary consumer
Trophic levels in a woodland chain, Decomposer. Feeding role? Example?
Reveal answer
Feeding role: Breaks down dead material and waste from every level. Example: Soil fungi and bacteria.
Key words: Decomposer
True or false, and why? “The tertiary consumer is always the biggest animal.”
Reveal answer
False. Trophic level depends on feeding position, not size.
True or false, and why? “Decomposers are the last link in a food chain.”
Reveal answer
False. They break down material from all trophic levels.
True or false, and why? “An animal always has one trophic level.”
Reveal answer
False. Omnivores can feed at more than one level.