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Introduction to Nutrient Cycles in Natural Ecosystems

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Introduction to Nutrient Cycles in Natural Ecosystems

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Questions and Answers

What is the consequence of essential elements becoming depleted due to the lack of nutrient cycles?

Decline in biodiversity (correct)

Increase in greenhouse gas emissions

Soil degradation

Water pollution

How are the carbon, nitrogen, and phosphorus cycles related?

Changes in one cycle prevent changes in the others

They are completely independent cycles

Changes in one cycle have no impact on the others

They are interdependent cycles (correct)

How can deforestation alter nutrient cycles?

It disrupts the carbon cycle (correct)

It increases water pollution

It reduces greenhouse gas emissions

It has no impact on nutrient cycles

What is one negative impact of agricultural practices involving nitrogen-based fertilizers?

Impact on the nitrogen cycle Signup and view all the answers

Why is it important to increase awareness about nutrient cycles?

To highlight the impact on biodiversity Signup and view all the answers

What is the role of saprobionts in natural ecosystems?

Breaking down dead organisms into smaller inorganic molecules Signup and view all the answers

How do mycorrhizae benefit plants in natural ecosystems?

By connecting to the plant roots and absorbing nutrients from the soil Signup and view all the answers

What is the main function of nutrient cycles in an ecosystem?

Balancing the ecosystem by maintaining nutrient levels Signup and view all the answers

Which type of microorganisms play a crucial role in nutrient recycling in natural ecosystems?

Bacteria and fungi Signup and view all the answers

Why are nutrient cycles described as 'continuous movement'?

Because nutrients flow from living organisms to non-living environment and back Signup and view all the answers