Ch.18 Protists

Question 1

Protists

Answer 1

Unicellular or single celled eukaryotic organisms

Question 2

Endosymbionts

Answer 2

Symbiotic organisms that live within another organism, which is called the host organism

Question 3

How protists evolved

Answer 3

The first protist cell was formed by a symbiosis among several prokaryotes

Question 4

What evidence suggests symbiosis played a part in protist evolution

Answer 4

A number of organelles in eukaryotic cells are similar in structure to prokaryotes

Question 5

What is the significance of cyanophora paradoxa

Answer 5

Organelles can be extracted and grown outside of the cell

Question 6

Why would a name be underlined

Answer 6

Because it has a scientific name

Question 7

4 phylum in the kingdom protista

Answer 7

Ciliophora, zoomastigina, sporozoa, sarcodina

Question 8

What are ciliates

Answer 8

Ciliates are protists that have cilia

Question 9

Pellicle

Answer 9

Complex living outer layer of certain protists

Question 10

Trichocysts

Answer 10

Flask-shaped structure in the pellicles of some protists used to defend or anchor the organism

Question 11

Gullet

Answer 11

Indentation on one side of a paramecium that brings food from the outside to the interior of the cell

Question 12

Food valcuole

Answer 12

Membrane enclosed cavity in protists in which food is digested

Question 13

Anal pore

Answer 13

Structure in paramecia and certain other protists through which waste materials are emptied into the enviroment

Question 14

Contractile vacuole

Answer 14

Structure in some protists that collects water and discharges it from the cell

Question 15

Flagella

Answer 15

Long, whiplike projection that aids in movement in some cells

Question 16

Pseudopodia

Answer 16

Fingerlike projection of cytoplasm used for movement and feeding

Question 17

What protist causes malaria

Answer 17

Anopheles cause malaria, they infect cells and within 48-72 hours cells burst

Question 18

Difference between Euglena and animal like protists, and similiarites

Answer 18

Euglena are plant like protists and have chloroplasts, they are very similiar to animal like protists apart from those two differences

Question 19

What protists cause red tide

Answer 19

Algae blooms

Question 20

Phytoplankton

Answer 20

Any small photosynthetic organism found in great numbers near the surface of the ocean