Dichotomous Keys

Front

What is a dichotomous key?

Back

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as plants and animals, by answering a series of questions that lead to the correct identification.

Front

What is the first step when using a dichotomous key?

Back

Always start with step 1.

Front

What does a dichotomous key help us identify?

Back

It helps us identify organisms.

Front

What type of questions does a dichotomous key use?

Back

It uses a series of yes/no questions to guide the user to the correct identification.

Front

What is the purpose of using a dichotomous key?

Back

The purpose is to identify unknown organisms based on their characteristics.

Front

What is an example of a characteristic used in a dichotomous key?

Back

Leaf shape, color, or size can be characteristics used.

Front

What is the difference between a common ancestor and a dichotomous key?

Back

A common ancestor refers to a species from which others have evolved, while a dichotomous key is a tool for identifying species.

Front

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

Back

Plants, animals, fungi, and other living organisms can be identified.

Front

What is an exoskeleton?

Back

An exoskeleton is a hard outer structure that provides support and protection to some animals, like insects.

Front

What is an example of an organism that can be identified using a dichotomous key?

Back

Examples include sweet gum trees, ladybugs, and various bird species.