Science Secondary 3

Name two (2) producers in the food web.

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Name three (3) consumers in the food web.

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Write a food chain from this food web with five (5) trophic levels

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Name one (1) animal that the small fish eats

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Name one (1) animal that eats the small fish.

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Explain what could happen to the community if all frogs suddenly died.

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The number of land plants and tiny water plants increase. What will happen to the number of water fleas and insect?

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If we add more fox in the food web. What will be the effect?

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What is the role of decomposers?

• Breakdown dead organisms

• They are producers

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Ron investigates this parallel circuit. He uses one ammeter and places it in position 1. He takes the reading and records it in the table. He then places the ammeter in Position 2. He takes the reading and records it in the table. He repeats this process again for position 3, and then position 4. Ron predicts that the readings on the ammeter in Positions 1, 2 ,3 and 4 will be all the same. Refer to Ron’s results. Why one reading was different?