1.Which domain consists mainly of organisms made up of many cells?

AArchaea

BBacteria

CEukarya

2.Which domain consists of protists, fungi, plants, and animals?

AArchaea

BBacteria

CEukarya

3.Which domain consists of single-celled organisms, some of which can cause illnesses treated with antibiotics?

AArchaea

BBacteria

CEukarya

4.Which domain consists of prokaryotic organisms that thrive in earth's harshest environments?

AArchaea

BBacteria

CEukarya

5.How are archaea and bacteria alike?

ATo survive, they must live in cold environments.

BTheir cells are small and lack a nucleus.

CTheir genetic material is similar.

DTheir structure includes a cell wall.

6.What is unusual about organisms in the domain Archaea?

AThey live in extreme environmental conditions.

BThey are very large.

CTheir rate of reproduction is very fast.

DThey are complex, multicellular organisms.