Which statement is true?(1 point)

Question

Responses

A dichotomous key uses samples to identify organisms using observable traits.
A dichotomous key uses samples to identify organisms using observable traits.

A dichotomous key uses question pairs to identify organisms by their characteristics. 
A dichotomous key uses question pairs to identify organisms by their characteristics. 

A dichotomous key uses photographs to identify organisms using observable traits.
A dichotomous key uses photographs to identify organisms using observable traits.

A dichotomous key uses question pairs to identify organisms by their group.
A dichotomous key uses question pairs to identify organisms by their group.
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Answer 1

A dichotomous key uses question pairs to identify organisms by their characteristics.