Classification of Living Things

Front

What are the three domains of life?

Back

The three domains of life are Archaea, Bacteria, and Eukarya.

Front

What is a key characteristic of organisms in the domain Eukarya?

Back

Organisms in the domain Eukarya have membrane-bound organelles.

Front

True or False: Organisms in the domain Archaea can live in extreme environments.

Back

True

Front

What type of cells are organisms in the domains Bacteria and Archaea?

Back

Prokaryotic cells.

Front

What is the role of DNA in classifying organisms?

Back

DNA is used to classify organisms more accurately by analyzing genetic relationships.

Front

What is a prokaryote?

Back

A prokaryote is a single-celled organism that lacks a nucleus and membrane-bound organelles.

Front

What is a eukaryote?

Back

A eukaryote is an organism whose cells contain a nucleus and membrane-bound organelles.

Front

Give an example of an organism in the domain Bacteria.

Back

Examples include Escherichia coli (E. coli) and Streptococcus.

Front

Give an example of an organism in the domain Archaea.

Back

Examples include Methanogens and Halophiles.

Front

What is the significance of classifying living things?

Back

Classifying living things helps scientists understand relationships, evolution, and biodiversity.