OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Dichotomous keys separate and identify species based on traits
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Dichotomous keys help identify the evolutionary history of organisms
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Dichotomous keys determine which organism evolved first
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Dichotomous keys are used to determine which trait evolved first
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Detailed explanation-1: -A dichotomous key provides users with a series of statements with two choices that will eventually lead to the correct identification of the organism. To use a dichotomous key, one must be able to make accurate observations and follow directions carefully.
Detailed explanation-2: -These keys work best when used to identify species that are closely related but have distinctive traits or behaviors that distinguish them from other species in the group. Dichotomous keys are very useful because they allow non-expert users to identify organisms, directing them to study known important organisms.
Detailed explanation-3: -Dichotomous keys help improve pattern recognition and understanding of the descriptive terminology used to classify important distinctions among plants. The following dichotomous key can be used outdoors to classify a range of plants by type, growth habit, and reproductive method.