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What process do plants use to collect energy from the sun?
Photosynthesis
What are producers?
Organisms that make their own food e.g. plants.
What are consumers?
Organisms that eat other organisms.
What is biomass?
The dry mass of living material in an animal or plant.
Why is the amount of energy contained in the biomass of organisms reduced at each stage of the food chain.
For the organisms life processes. E.g. keeping warm, movement.
What does a pyramid of numbers show?
How many of each organism you have in each step of the food chain.
What does a pyramid of biomass show?
The biomass of each organism in a food chain.
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