The basic unit of ecological hierarchy exhibits which of the following attributes?
A
Birth rate
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B
Birth
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C
Sex ratio
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D
Both a and b
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Solution
The correct option is B Birth Ecology can be studied at various levels in order to understand the interaction of organisms and their environment. The order of these levels, starting with the simplest and approaching towards the most complex, is as follows:
An individual organism is the basic unit of ecological hierarchy.
Birth rate, death rate and sex ratio are attributes of the population. These attributes (features) are not exhibited by the individual organisms. The characteristic features of the organisms are births and deaths.
Therefore, the basic unit of ecological hierarchy is organism and births, deaths are the characteristic features of an organism.