Dichotomous Keys

Front

What is a dichotomous key?

Back

A dichotomous key is a tool used to identify organisms by answering a series of questions that lead to the correct name of the organism.

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What is the first step in using a dichotomous key?

Back

Always start with the first question in the dichotomous key.

Front

What do we examine when using a dichotomous key?

Back

We look at the physical features of the organisms.

Front

What is binomial nomenclature?

Back

Binomial nomenclature is a two-name naming system used to identify species, consisting of the genus name and the species name.

Front

What is the purpose of a dichotomous key?

Back

The purpose of a dichotomous key is to help users identify unknown organisms based on their characteristics.

Front

What is the term for the scientific name of an organism?

Back

The scientific name of an organism is called its binomial name.

Front

What is an example of a physical feature used in a dichotomous key?

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Examples include color, shape, size, and texture of the organism.

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How does a dichotomous key differ from a field guide?

Back

A dichotomous key provides a step-by-step process for identification, while a field guide offers descriptions and images of organisms.

Front

What is the significance of the order of questions in a dichotomous key?

Back

The order of questions is significant because it helps narrow down the possibilities systematically.

Front

What is the role of a taxonomist?

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A taxonomist is a scientist who classifies and names organisms.