7th grade BJU chapter 9

____________________ do not have a nucleus or membrane-bound organelles.

• Prokayrotes

• Eukayarotes

There are good and bad bacteria:

• True

• False

______________ often live where nothing else can, such as in hot springs and in extremely acidic or salty habitats.

• Archaeabacteria

• Eubacteria

• Protists

• Fungi

__________________ is a group of prokaryotes that are genetically very different from bacteria and that have unique chemicals in their cell walls.

• Archaeabacteria

• Eubacteria

• Protista

• Fungi

Bacteria can come in these shapes:

• Round (coccus)

• Rod (bacillus)

• Spiral (spirillum)

• Square (flagella)

Both archaebacteria and eubacteria reproduce by ________________________, which is reproduction in which one single-celled organism splits into two.

• Nuclear Fussion

• Binary Fission

• Binary Fussion

• Nuclear Fission

A virus cannot function on its own. It can replicate only inside a cell it infects.

• True

• False

Viruses can replicate only inside a living cell that serves as a ______________________.

• Host Cell

• Parent Cell

• Shelter Cell

After killing a cell in the creation of more viruses, the new viruses search for new host cells, and the __________ cycle begins again.

• Lytic

• Laundry

• DNA

• RNA

Where is the main source of movement coming from in this picture

• Cilia

• Flagella

• Pseudopod

• Paramecium