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Question
Which of the following options does the given image represent?
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Solution
The correct option is B Species richness
Depending upon the physical and physiological requirement of the diverse species in a biological community, organisms are organised in a recognizable structure or pattern called stratification. The given image is the stratification of forest ecosystem. There are five main layers in a forest ecosystem viz. Canopy, understory, shrubbery, herbaceous layer and forest floor. According to the definition of stratification each layer in the forest ecosystem is occupied by specific organisms. Species diversity is the number of species and the abundance of a particular species that inhabits a particular community. Species diversity takes into account two factors - 1. species richness and 2. species evenness. Species richness is a count of different species and species evenness refers to how many individuals of a species are present. That is if if there are 40 foxes, and 1000 dogs, the community is not very even. But if there are 40 foxes and 42 dogs, the community is quite even. Therefore the given image represents stratification of tropical rain forest and species richness of specialised animals in a tropical rain forest. The species evenness is not indicated here, and the species diversity being dependent on species eveness too, is not indicated here.
Depending upon the physical and physiological requirement of the diverse species in a biological community, organisms are organised in a recognizable structure or pattern called stratification. The given image is the stratification of forest ecosystem. There are five main layers in a forest ecosystem viz. Canopy, understory, shrubbery, herbaceous layer and forest floor. According to the definition of stratification each layer in the forest ecosystem is occupied by specific organisms. Species diversity is the number of species and the abundance of a particular species that inhabits a particular community. Species diversity takes into account two factors - 1. species richness and 2. species evenness. Species richness is a count of different species and species evenness refers to how many individuals of a species are present. That is if if there are 40 foxes, and 1000 dogs, the community is not very even. But if there are 40 foxes and 42 dogs, the community is quite even. Therefore the given image represents stratification of tropical rain forest and species richness of specialised animals in a tropical rain forest. The species evenness is not indicated here, and the species diversity being dependent on species eveness too, is not indicated here.
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