Multiple Choice
Which of the following is an example of resource partitioning in an ecosystem?
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48. Ecology
Introduction to Ecology
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What are pioneer species and what role do they play in an ecosystem?
A
Pioneer species are organisms that decompose organic matter, recycling nutrients in the soil.
B
Pioneer species are the first organisms to colonize a barren environment, initiating an ecological succession.
C
Pioneer species are predators that control the population of herbivores in an ecosystem.
D
Pioneer species are the dominant species in a mature ecosystem, maintaining ecological stability.
Verified step by step guidance1
Pioneer species are the first organisms to colonize a barren or disturbed environment, such as an area left bare after a volcanic eruption or a glacier retreat.
These species are typically hardy and resilient, capable of surviving in harsh conditions with minimal resources.
Pioneer species play a crucial role in initiating ecological succession, a process where the biological community evolves over time, leading to a more biodiverse and stable ecosystem.
They help in soil formation by breaking down rocks and accumulating organic material, which creates a more hospitable environment for subsequent species.
As pioneer species modify the environment, they pave the way for other species to establish, leading to increased biodiversity and the development of a mature ecosystem.
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