Ecosystem & Interactions

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What is an Ecosystem?

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An ecosystem is all the living and nonliving things that interact in an area.

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What do plants need to grow?

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Plants need sunlight to grow.

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What are the basic needs of organisms in an environment?

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Water, shelter, and food are the basic needs of organisms.

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Why are leaves larger in the understory of a forest?

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Leaves are larger in the understory to capture the small amount of sunlight available.

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What happens if an organism does not meet its needs?

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If an organism does not meet its needs, it cannot survive in the ecosystem.

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What is the role of sunlight in an ecosystem?

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Sunlight is essential for plants to grow, as they use it for photosynthesis.

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What are living things in an ecosystem called?

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Living things in an ecosystem are called organisms.

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What are nonliving things in an ecosystem?

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Nonliving things in an ecosystem include water, air, soil, and sunlight.

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How do plants and animals interact in an ecosystem?

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Plants provide food and oxygen for animals, while animals help pollinate plants and disperse seeds.

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What is the importance of water in an ecosystem?

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Water is crucial for the survival of all living organisms; it is needed for drinking, growing, and habitat.

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