The three domains of life

Front

What are the three domains of life?

Back

Bacteria, Archaea, and Eukarya.

Front

What type of organisms belong to the Eukarya domain?

Back

Eukaryotic organisms, including animals, plants, fungi, and protists.

Front

What is a key characteristic of prokaryotic organisms?

Back

They lack a nuclear membrane and membrane-bound organelles.

Front

Which domain includes organisms that can thrive in extreme environments?

Back

Archaea.

Front

Do humans belong to the Bacteria domain?

Back

No, humans belong to the Eukarya domain.

Front

What are halophiles?

Back

Organisms that thrive in high salt concentrations, typically found in the Archaea domain.

Front

What distinguishes Eukarya from Bacteria and Archaea?

Back

Eukarya have a true nucleus and membrane-bound organelles.

Front

What type of organisms are included in the Bacteria domain?

Back

Prokaryotic organisms, including many that are unicellular.

Front

Can you name an example of an organism from the Archaea domain?

Back

Methanogens, which produce methane gas.

Front

What is the significance of the nuclear membrane in eukaryotic cells?

Back

It separates the genetic material from the cytoplasm, allowing for more complex regulation of gene expression.