Dichotomy 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 the user to the correct name of a given item.

Front

What is the first step in using a dichotomous key?

Back

The first step is to start with the first question or statement provided in the key.

Front

What type of organisms can be identified using a dichotomous key?

Back

Dichotomous keys can be used to identify various organisms, including plants, animals, and insects.

Front

What is the significance of using a dichotomous key in biology?

Back

Dichotomous keys help in the classification and identification of species, aiding in biological research and education.

Front

What are the two options typically presented in a dichotomous key question?

Back

The two options usually represent contrasting characteristics or traits of the organisms being identified.

Front

What is the scientific name of the common housefly?

Back

Musca domestica.

Front

Which order do insects with two pairs of scaly wings belong to?

Back

Lepidoptera.

Front

What is the defining characteristic of the arachnid known as a whip scorpion?

Back

Whip scorpions have a segmented abdomen, long legs, and a tail without a stinger.

Front

What is the difference between a scorpion and a whip scorpion?

Back

Scorpions have a stinger on their tail, while whip scorpions do not.

Front

What is the role of characteristics in a dichotomous key?

Back

Characteristics are used to differentiate between organisms and guide the user through the identification process.