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What is nitrogen fixation?

Back

The process of converting nitrogen gas from the atmosphere into ammonia or related compounds in soil, primarily by certain bacteria.

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What is an ecosystem?

Back

A community of living organisms interacting with their nonliving environment in a specific area.

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What percentage of the atmosphere is made up of nitrogen?

Back

78%.

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What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

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What is a carbon sink?

Back

A natural reservoir that stores more carbon than it releases, helping to mitigate climate change.

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What role do decomposers play in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and supporting plant growth.

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What is the significance of biodiversity in an ecosystem?

Back

Biodiversity enhances ecosystem resilience, productivity, and stability, allowing it to better withstand environmental changes.

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How does energy flow through an ecosystem?

Back

Energy flows from producers to consumers and then to decomposers, typically in a one-way direction.

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What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

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What is the role of producers in an ecosystem?

Back

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