Abiotic Biotic Factors of a Pond

Imagine a pond where the water level drops a lot during summer. How could this abiotic change affect the biotic factors in the pond?

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  Some animals and plants may die or leave the pond

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  More fish will come to the pond

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  All animals will grow bigger

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  Plants will not be affected

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A student wants to find out how the temperature of pond water affects the number of tadpoles. Which of the following would be the best way to investigate this?

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  Count the number of plants in the pond

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  Measure the depth of the pond

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  Count tadpoles in ponds with different water temperatures

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  Count the number of rocks in the pond

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A pond has become very muddy after a rainstorm. How might this abiotic change affect the fish living in the pond?

• Fish will grow faster

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  Fish will not be affected

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  Fish will have more food

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  Fish may have trouble breathing

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NGSS.MS-LS2-1

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Why is it important for both abiotic and biotic factors to be balanced in a pond ecosystem?

• To keep the rocks from moving

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  To keep the water clean only

• To make sure all living things can survive

• To make the pond look nice

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NGSS.MS-LS2-1

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Describe a situation where a change in an abiotic factor in a pond (like temperature, sunlight, or water level) could affect the biotic factors (like plants, fish, or insects). Explain your reasoning.

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NGSS.MS-LS1-5

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