Exam 5 - Parasite Terminology Worksheet

Question 1

host-parasite relationship; beneficial to one; harmless to other

Answer 1

commensalism

Question 2

required for adult or sexual phase of parasitic life cycle

Answer 2

definitive host

Question 3

pregnant

Answer 3

gravid

Question 4

any living organism that harbors a parasite

Answer 4

host

Question 5

tapeworms

Answer 5

cestodes

Question 6

thick walled stage of amoeba; resistant to adverse conditions

Answer 6

cyst

Question 7

animal parasitic infection; humans can acquire accidentally

Answer 7

zoonosis

Question 8

flukes

Answer 8

trematodes

Question 9

juvenile stage of a parasite

Answer 9

larvae

Question 10

roundworms

Answer 10

nematodes

Question 11

tapeworms capable of self fertilization…yuck!!

Answer 11

hermaphroditic

Question 12

aka: oocyst, ovum, zygote

Answer 12

egg

Question 13

motile protozoans

Answer 13

ciliates

Question 14

blood or tissue roundworms; require insect vectors to transfer

Answer 14

filariae

Question 15

host containing the asexual phase of a parasite

Answer 15

intermediate host

Question 16

group including: nematodes, cestodes, and trematodes

Answer 16

helminths

Question 17

beneficial relationship for parasite and host

Answer 17

mutualism

Question 18

encysted form of an egg

Answer 18

oocysts

Question 19

association between two organisms

Answer 19

symbiosis

Question 20

host-parasite relationship; one organism benefits at the

expense of another member

Answer 20

parasitism