9814822
Description
Quiz by PEDRO ÁLVAREZ JIMÉNEZ, updated 11 months ago
|
|
Created by PEDRO ÁLVAREZ JIMÉNEZ
almost 7 years ago
|
|
Question 1
Answer
-
All parasites live in or on host organisms
-
All parasites kill their hosts
-
All parasites need mosquitoes to move from one host to the next
Question 2
Question
What do Gordian worms do to their cricket hosts?
Answer
-
They make crickets move erratically
-
They make crickets move close to water
-
All of the above
Question 3
Question
Suppose you did an experiment in which you gave uninfected rats and rats infected with Toxoplasma a choice between hiding places sprinkled with the urine of cats and rabbits. Which of the following results would you expect to observe?
Answer
-
Uninfected and infected rats both prefer hiding places with cat urine
-
Uninfected and infected rats both prefer hiding places with rabbit urine
-
Uninfected rats prefer hiding places with rabbit urine, while infected rats prefer hiding places with cat urine
Question 4
Question
Dogs infected with rabies virus are aggressive and produce lots of saliva. These symptoms help the virus move on to the next host.
Answer
-
False; these symptoms help the host get rid of the virus
-
True; the saliva will contaminate the environment, from which other hosts become infected
-
True; these symptoms make the host likely to bite another host and thereby transmit the virus
Question 5
Question
How many organisms on Earth are considered parasites?
Answer
-
One-third
-
More than one-half
-
Nearly all of them
Want to create your own Quizzes for free with GoConqr? Learn more.