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Bella Nat5

U3 KA 4 Energy in ecosystems

QuestionAnswer
How much energy is LOST at each stage in a food chain? 90%
What is meant by a pyramid of Energy? A diagram that represent the Energy of organisms at each successive level of a food chain.
What happens to the Energy in a food chain as it gets passed along the food chain? It gets smaller
What is meant by a pyramid of Numbers? A diagram that represent the Number of organisms at each successive level of a food chain.
What happens to the energy that an organism consumes that CAN be passed on in a food chain? It is turned into body tissue
Which ecological Pyramid ALWAYS takes the shape of a pyramid? Energy
What percentage of energy is passed on at each stage in a food chain? 10%
How is energy LOST from food chains? Movement Heat Undigestible parts.
What might be at the start of a food chain that results in a pyramid of numbers that is NOT a pyramid shape? Tree , shrub, bush
What might be at the end of a food chain that results in a pyramid of numbers that is NOT a pyramid shape? Parasite
Created by: nscobie
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