Question

what is a dichotomas key?

Answer 1

Answer:

In phylogenetics, a single-access key is an identification key where the sequence and structure of identification steps is fixed by the author of the key. At each point in the decision process, multiple alternatives are offered, each leading to a result or a further choice

Explanation:

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Answer 2

• A dichotomous key is a way of identifying organisms in which groupings of organisms are repeatedly separated into two categories.
• More information about a given organism's distinct traits is disclosed with each successive division.
• It has been identified when the organism no longer shares its entire set of chosen traits with any other organism.
• Immutable traits are preferred when using a dichotomous key to identify specimens (i.e. features that do not change)
• Size, coloration, and behavioural tendencies can all differ across individuals and over time.
• Physical features (such as the number of limbs) and biological processes (such as reproduction strategies) contribute to improved traits.
• Typically, dichotomous keys are expressed in one of two ways:
• In the form of a branching flowchart (diagrammatic representation)
• As a numbered list of paired statements (descriptive representation)