Protozoa

Question 1

Sarcodines:

Answer 1

Amoeboid Protozoa. Move by changing shape—cytoplasms flow w/it.

Question 2

Ciliates:

Answer 2

Ciliated Protozoa. Move by cilia beating back and forth.

Question 3

Balandtidium coli:

Answer 3

Ciliates. Not that big of a deal

Question 4

Entamoeba hystolytica, Naegleria & Acanthamoeba

Answer 4

Sarcodines. G.I. problems; other 2 are deadly, typically from water sources (kids swimming in lakes and uncured pools)

Question 5

Mastigophorans:

Answer 5

Flagellated Protozoa. Moves by flagella.

Question 6

Sporozoans:

Answer 6

Apicomplexan Protozoa. Primarily nonmotile.

Question 7

Plasmodium, toxoplasma gondii, cryptosporidium, and cyclospora.

Answer 7

Sporozoans.

Question 8

What are the two organelles that protozoa do not have?

Answer 8

Cell walls and chloroplasts

Question 9

What do protozoa require? What form will they go into if the environment is unfavorable?

Answer 9

Moisture. Cysts.

Question 10

What is a trophozoite? When are they released?

Answer 10

A protozoan’s active feeding stage. When a cyst breaks apart.

Question 11

How do protozoans reproduce?

Answer 11

Simple cell division, some exhibit multiple fission within host cells. Most protozoa sexually reproduce in their lifecycle.