Welcome to the Quiz!
This quiz contains 11 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?
succession
adaptation
evolution
speciation
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Which type of succession occurs on newly formed or exposed land with no initial soil or life?
tertiary succession
primary succession
secondary succession
deflected 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)
ferns
algae
lichen
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
rapid germination
seeds dispersed by wind
not tolerant of extreme conditions
high biodiversity
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Which type of community typically has the highest biodiversity during succession?
pioneer community
intermediate community
climax community
plagioclimax community
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Which type of community is typically the most stable during succession?
climax community
intermediate community
pioneer community
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Which type of community typically has the fastest growth rate of organisms during succession?
climax community
pioneer community
intermediate community
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Which type of succession occurs in areas where an existing community has been removed, leaving the soil intact?
tertiary succession
deflected succession
secondary succession
primary succession
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What is the term for the stable and balanced ecosystems that develop at the end of natural succession?
intermediate communities
plagioclimax communities
climax communities
pioneer communities
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Which of the following are typical characteristics of climax communities?
(Select all that apply)
very low biodiversity
dominated by a small number of plant and animal species
slow growth rate of organisms
low stability
tolerant of extreme conditions
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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)
dependence on nutrient-rich soil
slow growth rates
tolerance to extreme conditions
nitrogen fixation to enrich soil
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