Multiple Choice
Which of the following would be considered a pioneer species in an ecological succession?
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48. Ecology
Introduction to Ecology
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Why are decomposers important in an ecosystem?
A
They are primary producers in the food chain.
B
They consume living plants and animals.
C
They produce energy through photosynthesis.
D
They break down dead organisms and recycle nutrients.
Verified step by step guidance1
Understand the role of decomposers in an ecosystem: Decomposers are organisms, such as bacteria and fungi, that break down dead or decaying organisms.
Recognize the importance of nutrient recycling: Decomposers convert organic materials from dead organisms into simpler inorganic substances, which are then released back into the environment.
Identify the impact on the food chain: By recycling nutrients, decomposers provide essential elements that are used by primary producers (like plants) to create energy through photosynthesis.
Differentiate decomposers from other organisms: Unlike primary producers that generate energy through photosynthesis, decomposers do not produce energy but instead facilitate the flow of energy by breaking down organic matter.
Conclude the ecological significance: Decomposers play a crucial role in maintaining the balance of ecosystems by ensuring the continuous availability of nutrients necessary for the growth of plants and the survival of other organisms.
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