A classification key is a tool that helps you to identify different types of plants and animals.
It is a series of questions that you answer, and each answer will lead you to another question.
Eventually, you will reach a question that tells you what type of plant or animal you are looking at.
Classification keys are used in many different fields, including biology, taxonomy, and ecology.
Noun:
Singular: classification key.
Plural: classification keys.
Adjective:
Classification-key: relating to a classification key.
The word "classification key" comes from the Latin words "classis", meaning "rank" or "division", and "key", meaning "a device for opening something". It was first used in English in the 18th century to refer to a system for classifying organisms.
Why are classification keys useful?
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