Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What is the term for the progressive change in the species structure of an ecological community over time?
speciation
evolution
adaptation
succession
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Which type of succession occurs on newly formed or exposed land with no initial soil or life?
primary succession
deflected succession
secondary succession
tertiary succession
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Which of the following are typically the first species to colonise an area during primary succession?
(Select all that apply)
lichen
ferns
algae
trees
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Which of the following characteristics are typical of pioneer communities?
(Select all that apply)
requirement for nutrient-rich soil
asexual reproduction
not tolerant of extreme conditions
seeds dispersed by wind
rapid germination
high biodiversity
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Which type of community typically has the highest biodiversity during succession?
intermediate community
pioneer community
plagioclimax community
climax community
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Which type of community is typically the most stable during succession?
pioneer community
intermediate community
climax community
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Which type of community typically has the fastest growth rate of organisms during succession?
intermediate community
pioneer community
climax community
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What is the term for the final community stage when human activity interrupts the normal sequence of succession?
climax community
intermediate community
plagioclimax community
pioneer community
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Which type of succession occurs in areas where an existing community has been removed, leaving the soil intact?
primary succession
deflected succession
tertiary succession
secondary succession
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What is the term for the stable and balanced ecosystems that develop at the end of natural succession?
plagioclimax communities
pioneer communities
intermediate communities
climax communities
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Which of the following are typical characteristics of climax communities?
(Select all that apply)
tolerant of extreme conditions
very low biodiversity
low stability
slow growth rate of organisms
dominated by a small number of plant and animal species
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Which of the following adaptations allow pioneer species to modify abiotic factors and endure in harsh environments?
(Select all that apply)
slow growth rates
nitrogen fixation to enrich soil
dependence on nutrient-rich soil
tolerance to extreme conditions
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