Protozoa

Question 1

characteristics of protozoa

Answer 1

unicellular
eukaryotic organisms
microscopic in size
a single cell may contain more than one nucleus

Question 2

how are protozoa classified?

Answer 2

mode of locomotion

Question 3

what are the locomotion organelles

Answer 3

flagella
cilia
pseudopodia= “false feet”fun
or none

Question 4

what is the functional unit of protozoanontogeny (development) for protozoa

Answer 4

zoite

Question 5

sporozoite

Answer 5

infective form

Question 6

trophozoites

Answer 6

form which feeds and grows

Question 7

merizoites

Answer 7

result of mergony that results within a host cell

Question 8

tachyzoites

Answer 8

form which divides rapidly

Question 9

bradyzoites

Answer 9

form which divides slowly

Question 10

what kind of reproduction do protozoa have?

Answer 10

sexual and asexual (fission)

Question 11

what are the two kinds of asexual reproduction

Answer 11

binary fission

multiple fission

Question 12

what is binary fission?

Answer 12

one individual parent divides into two daughter cells

Question 13

what is multiple fission

Answer 13

the nucleus and other organelles divide repeated leading to a large number of daughter cells

Question 14

what is sexual reproduction

Answer 14

haploidy cells resulting from meiosis. followed by union of two cells

Question 15

oocysts go through a process called ____ to become _____

Answer 15

sporulation, sporulated oocyst

Question 16

what is the resting stage of the protozoa?

Answer 16

cyst

Question 17

why does an oocyst become a cyst?

Answer 17

adverse environmental conditions- ex. food deficiency, dessication

Question 18

excystation

Answer 18

a return of favorable conditions and release of cyst

Question 19

how do the parasites of phylum Sarcomastigophora move?

Answer 19

pseudopodia and/ or flagella

Question 20

how do the parasites of phylum ciliophora move?

Answer 20

cilia

Question 21

how do the parasites of phylum Apicomplexa move

Answer 21

gliding- no locomotion agent

Question 22

how many cells are in each oocyst?

Answer 22

one