6.12A Biotic and Abiotic Factors and 7.12A Flow of Energy

Front

What are biotic factors?

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, fungi, and microorganisms that interact with each other.

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What are abiotic factors?

Back

Abiotic factors are the non-living components of an ecosystem, including sunlight, water, temperature, soil, and air.

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What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow.

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What is the role of producers in an ecosystem?

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Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What are primary consumers?

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Primary consumers are organisms that eat producers; they are typically herbivores that obtain energy by consuming plants.

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What is the flow of energy in a food chain?

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Energy flows from producers to primary consumers, then to secondary consumers, and finally to tertiary consumers, with energy loss at each trophic level.

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What is a trophic level?

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A trophic level is a position in a food chain or food web, defined by how an organism obtains energy.

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How do plants obtain carbon for growth?

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Plants primarily obtain carbon from the air in the form of carbon dioxide, which is used to build structural molecules.

Front

What adaptations help plants survive in dense forests?

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Plants in dense forests often have large leaves with a greater surface area to capture more sunlight for photosynthesis.

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What is competition in an ecosystem?

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Competition occurs when organisms vie for the same resources, such as light, water, and nutrients, which can limit their growth and survival.