Dichotomous Keys

Front

What is a dichotomous key?

Back

A dichotomous key is a tool used in biology to identify and classify organisms based on their physical characteristics through a series of choices.

Front

What is the first step when using a dichotomous key?

Back

Always start with the first question or step in the key.

Front

How should a scientific name be formatted?

Back

The first word should be capitalized and the entire name should be italicized.

Front

What is the purpose of a dichotomous key in science?

Back

To classify organisms and help identify them based on their features.

Front

What do we examine when using a dichotomous key?

Back

We look at the physical features of the organisms.

Front

What is the order of insects with two pairs of scaly wings?

Back

Lepidoptera.

Front

What are the two main parts of a scientific name?

Back

The genus name and the species name.

Front

What does 'genus' refer to in biological classification?

Back

Genus is a rank in the biological classification that groups together species that are closely related.

Front

What does 'species' refer to in biological classification?

Back

Species is the basic unit of classification, referring to a group of organisms that can interbreed.

Front

What is the difference between a dichotomous key and a field guide?

Back

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