Multiple Choice
What is the primary role of decomposers in an ecosystem?
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48. Ecology
Introduction to Ecology
Multiple Choice
In the context of ecological succession, what are the first organisms to colonize a newly available area called?
A
Climax community
B
Invasive species
C
Pioneer species
D
Keystone species
Verified step by step guidance1
Understand the concept of ecological succession, which is the process by which the structure of a biological community evolves over time.
Recognize that ecological succession begins with the colonization of a new or disturbed area by living organisms.
Identify the term 'pioneer species' as the organisms that first colonize these newly available areas.
Differentiate pioneer species from other terms: Climax community refers to a stable, mature community; Invasive species are non-native species that spread rapidly; Keystone species have a disproportionately large effect on their environment.
Conclude that pioneer species are crucial in starting the ecological succession process by preparing the environment for subsequent species.
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