Environmental Science Unit 1 Abiotic Effects CFA 1 SEV1

What are abiotic factors, and how do they differ from biotic factors in an ecosystem?

• • Abiotic factors are non-living components, while biotic factors are living.

• • Abiotic factors include animals and plants.

• • Biotic factors refer to climate and weather.

• • Biotic factors have no effect on an ecosystem.

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Which of the following is an example of an abiotic factor in a forest ecosystem?

• • A) Trees

• • B) Birds

• • C) Sunlight

• • D) Fungi

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How does temperature as an abiotic factor affect the types of plants and animals that live in a given ecosystem?

• • A) Temperature has no effect on plants or animals.

• • B) Only animals are affected by temperature, not plants.

• • C) Temperature can determine the types of organisms that can survive in an ecosystem.

• • D) Temperature only affects organisms if it’s extreme.

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Which abiotic factor is essential for photosynthesis and therefore critical for plant life?

• • A) Soil nutrients

• • B) Wind

• • C) Light

• • D) Rocks

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How does soil composition as an abiotic factor influence the types of plants that grow in an ecosystem?

• • A) It does not influence plant growth.

• • B) Soil composition determines nutrient availability for plants.

• • C) All plants grow the same regardless of soil composition.

• • D) Soil only affects plants in desert ecosystems.

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