Online worksheet ยท 4 of 4
A change can spread through a web - Online practice 4
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Supplied simplified food web: algae -> water flea -> small fish; insect larva -> small fish. Every arrow points FROM food TO consumer; it represents a route for matter and energy transfer. Proposed change: water flea numbers fall. Predict an initial effect with other relevant conditions similar, then state a reason not to treat it as certain.
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