Archaea and Bacteria Check for Understanding

Select the three different types of domains.

• Archaea

• Bacteria

• Animalia

• Eukarya

What do the domains archaea and bacteria have in common?

• They are prokaryotes (they have a nucleus)

• They are prokaryotes (they do not have a nucleus)

• They are eukaryotes (they have a nucelus)

• They are eukaryotes (they do not have a nucleus)

What is a nucleus?

• The powerhouse of the cell

• the structure that contains the genetic material

• jelly-like material that hold everything in the cell together

• the outside barrier that lets things in and out of the cell

Tags

NGSS.MS-LS1-2

Archaebacteria is best known for living in ____________ environments.

• warm

• moist

• cold

• extreme

Tags

NGSS.MS-LS4-4

Archaebacteria can live in which types of environments? Select all that apply.

• boiling or freezing

• radioactive

• high salt concentration

• low oxygen

What are halophiles?

• live in salty habitats

• live in near boiling water

• live in places without oxygen

What are methanogens?

• live in places without oxygen

• live in boiling or freezing temperature

• live in salty habitats

Organisms that live in extreme environments are called _____________.

• unicellular

• halophiles

• extremophiles

• autotrophic

True or false. Eubacteria can cause illnesses

• True

• False

Which characteristics are true of eubacteria? Select all that apply.

• unicellular

• mostly heterotrophic

• reproduce asexually

• may cause illness