Exploring the Three Domains of Life

Front

What are the three domains of life?

Back

Bacteria, Archaea, and Eukarya.

Front

Which domains consist only of unicellular organisms?

Back

Bacteria and Archaea.

Front

What is unique about the plasma membrane of Archaea?

Back

It uses isoprene chains.

Front

How many major domains are used to classify all organisms on Earth?

Back

Three.

Front

What is a defining feature of bacterial cell walls?

Back

They contain peptidoglycan.

Front

Which domain includes both unicellular and multicellular organisms?

Back

Eukarya.

Front

What type of organisms are found in the domain Bacteria?

Back

Unicellular prokaryotes.

Front

What type of organisms are found in the domain Archaea?

Back

Unicellular prokaryotes that often live in extreme environments.

Front

What is the primary difference between Eukarya and the other two domains?

Back

Eukarya have complex cells with a nucleus.

Front

What are protists?

Back

A diverse group of eukaryotic organisms, mostly unicellular.