Dichotomous Keys

Front

What do we look at when using a dichotomous key to identify organisms?

Back

Physical features.

Front

What is the purpose of a dichotomous key?

Back

To identify organisms.

Front

Which organisms are LEAST closely related?

Back

Organisms that share a domain.

Front

What are the three domains of life?

Back

Archaea, Bacteria, Eukarya.

Front

Who is the founder of modern taxonomy?

Back

Carolus Linnaeus.

Front

What is a dichotomous key?

Back

A tool that allows the user to determine the identity of items in the natural world, such as plants and animals, based on a series of choices that lead the user to the correct name.

Front

What is taxonomy?

Back

The science of classifying organisms.

Front

What is the highest taxonomic rank?

Back

Domain.

Front

What is the difference between genus and species?

Back

Genus is a group of closely related species, while species is the most specific classification, identifying a single type of organism.

Front

What is a characteristic of organisms in the domain Archaea?

Back

They are often extremophiles, living in extreme environments.