Protozoa - Exam 3

Question 1

2 phylums

Answer 1

mastigophora & apicomplexa

Question 2

characteristics:

Answer 2

nucleus, unicellular, eukaryotic, most don’t cause disease

Question 3

classified based on locomotion; examples:

Answer 3

pseudopodia, flagella, gliding movement via cilia

Question 4

asexual reproduction

Answer 4

large exposure = large damage

Question 5

sporozoite

Answer 5

infective form

Question 6

tachyzoite

Answer 6

divides rapidly

Question 7

trophozoite

Answer 7

feeds/grows

Question 8

bradyzoite

Answer 8

divides slowly

Question 9

merozoite

Answer 9

many little creatures

Question 10

binary fission

Answer 10

most common, one becomes two

Question 11

schizogony “merogony”

Answer 11

produces most numbers, stops after fixed number of reps, repetitive division of nuclei

Question 12

sexual reproduction

Answer 12

gametogony/sporogony, produces less number of new organisms than asexual reproduction

Question 13

giardia

Answer 13

flagella, cyst= diagnostic/infected stage

Question 14

balantidium

Answer 14

ciliated, same life cycle as giardia, kidney bean

Question 15

apicomplexa

Answer 15

sporulated oocyte- infected stage, sexual reproduction, no massive damage