LAB 6

Question 1

single celled organisms, some colonial

Answer 1

Protista

Question 2

Structures that aid in their locomotion

Answer 2

1. Flagellum
2. Cilia
3. Pseudopodia

Question 3

a long contractile fiber, arising from a basal body

Answer 3

Flagella

Question 4

Short fine hairs made of contractile fiber arising from basal body

Answer 4

Cilia

Question 5

Movement occurs as the rest of the cytoplasm flows into this
prolongation

Answer 5

Pseudopodia

Question 6

Food materials enter the cell through the
____. Inside, it becomes enveloped in a
vacuole which is later digested by lysosomes.

The “mouth” or “gullet” of most protozoans in
the Phylum Ciliophora

Answer 6

Cytosome

Question 7

A special, secretory structure that enables an
apicomplexan protozoan to invade the cells of its
host (all apicomplexans are parasitic).

A structure present only in members of Phylum
Apicomplexa

Answer 7

Apical Complex

Question 8

2 types of nuclei

Answer 8

1. Macronucleus
2. Micronucleus

Question 9

which contain most of the DNA that controls
the metabolic activities of the organism

Answer 9

Macronucleus

Question 10

which stores a small amount of DNA that is
used only for the exchange of genetic material
during sexual reproduction

Answer 10

Micronucleus

Question 11

Classifications of Major Phyla of Animal-like Protists

Answer 11

1. Phylum SARCOMASTIGOPHORA
2. Phylum APICOMPLEXA
3. Phylum CILIOPHORA
4. Phylum DINOFLAGELLATA

Question 12

Members are characterized with having flagella and/or pseudopodia

Answer 12

Phylum SARCOMASTIGOPHOA

Question 13

2 subphylums of Phylum SARCOMASTIGOPHORA

Answer 13

1. Subphylum SARCODINA
2. Subphylum MASTIGOPHORA

Question 14

Members are called amoebas and move/catch food using pseudopods

Answer 14

Subphylum SARCODINA

Question 16

Members are called flagellates because they posses 1 or more flagella

Answer 16

Subphylum MASTIGOPHORA

Question 17

Members are obligated intracellular parasites (needs to enter the cells of a host in order to
reproduce)

Answer 17

Phylum APICOMPLEXA

Question 18

Members are called ciliates because they possess cilia

Answer 18

Phylum CILIOPHORA

Question 19

A large group characterized by having 2 types of flagella: one wavy, transverse flagellum wrapped around the “equator” of the organism, and one longitudinal flagellum that is similar in flagellates

both feed on other microscopic organisms and undergo photosynthesis

Called protoplankton, and are the most important marine primary producer

Answer 19

Phylum DINOFLAGELLATA