Multiple Choice
Why is secondary succession typically faster than primary succession in ecological systems?
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48. Ecology
Introduction to Ecology
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In a food web, what is the primary role of decomposers?
A
They produce energy through photosynthesis.
B
They break down dead organisms and recycle nutrients.
C
They consume primary producers.
D
They are the top predators in the ecosystem.
Verified step by step guidance1
Understand the concept of a food web: A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related through feeding relationships.
Identify the role of decomposers: Decomposers are organisms, such as bacteria and fungi, that break down dead organic matter, including dead plants and animals, into simpler substances.
Recognize the importance of nutrient recycling: Decomposers play a crucial role in recycling nutrients back into the ecosystem, making them available for primary producers like plants to use for growth.
Differentiate decomposers from other roles: Unlike producers that generate energy through photosynthesis or consumers that eat other organisms, decomposers focus on breaking down dead material.
Conclude the primary role: The primary role of decomposers in a food web is to break down dead organisms and recycle nutrients, maintaining the flow of energy and matter in the ecosystem.
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