Classification

Front

What is the highest taxonomic rank in biological classification?

Back

Domain

Front

Which taxonomic rank is directly below Domain?

Back

Kingdom

Front

What two taxa make up the scientific name of an organism?

Back

Genus and species

Front

What is a dichotomous key used for?

Back

To identify organisms based on a series of choices that lead to the correct name.

Front

What is the main difference between a prokaryotic and eukaryotic organism?

Back

Prokaryotic organisms lack a nucleus; eukaryotic organisms have a nucleus.

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among various biological species.

Front

What are the four main kingdoms in the domain Eukarya?

Back

Animalia, Plantae, Fungi, and Protista.

Front

What is the significance of the genus in scientific classification?

Back

The genus groups together species that are closely related.

Front

What is the role of phylogenetics in classification?

Back

It studies the evolutionary history and relationships among species.

Front

What is an arachnid?

Back

A class of joint-legged invertebrates that includes spiders, scorpions, and ticks.