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This quiz contains 6 questions from a mix of 1 subtopics.
What do food chains show?
the size of organisms in an ecosystem
the amount of toxins in an ecosystem
the feeding relationships between organisms
the number of organisms in an ecosystem
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In a food chain, what do the arrows represent?
the direction of energy flow
the size of the organisms
the feeding type of organisms
the number of organisms
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What happens to the amount of available energy as you move along a food chain?
it stays the same
it fluctuates randomly
it decreases
it increases
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If toxic substances enter at the producer level of a food chain, what can happen?
the toxins will have no effect on the food chain
the toxins can become concentrated in organisms further along
the toxins will be immediately broken down
the toxins will only affect the producers
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Which organisms experience the greatest toxin build up in a food chain?
herbivores in the middle of long food chains
decomposers at the start of long food chains
carnivores at the end of long food chains
producers at the start of long food chains
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Explain why less energy is available to organisms further along a food chain.
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