Which of the following is a biotic factor in a forest?

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Prepare for the Virginia 7th Grade Science SOL Test. Incorporate flashcards and multiple choice questions, each with hints and detailed explanations. Ensure your success on the exam!

Multiple Choice

Which of the following is a biotic factor in a forest?

Explanation:
Biotic factors are the living parts of an ecosystem. A forest includes many organisms that grow, reproduce, and interact, such as plants, animals, and fungi. A mushroom is a living fungus that decomposes dead plant material and recycles nutrients, supporting other organisms in the forest. Because it is alive and part of the ecosystem, it is a biotic factor. The other options—sunlight, water, and minerals in the soil—are nonliving parts of the environment that provide energy and nutrients but do not themselves have life, so they are abiotic factors.

Biotic factors are the living parts of an ecosystem. A forest includes many organisms that grow, reproduce, and interact, such as plants, animals, and fungi. A mushroom is a living fungus that decomposes dead plant material and recycles nutrients, supporting other organisms in the forest. Because it is alive and part of the ecosystem, it is a biotic factor. The other options—sunlight, water, and minerals in the soil—are nonliving parts of the environment that provide energy and nutrients but do not themselves have life, so they are abiotic factors.

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