Biology for IGCSE & O level - Characteristics And Classification Of Living Organisms (Section 3 - No. 22)
Which of the following is the best definition of a dichotomous key?
A key that uses only one characteristic to identify an organism.
A key that uses a series of paired, contrasting statements to identify an organism.
A key that uses pictures to identify an organism.
A key used to measure the size of different organisms.
Explanation
A dichotomous key is defined by paired, contrasting statements.
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