9814822
Descrição
Quiz por PEDRO ÁLVAREZ JIMÉNEZ, atualizado 11 meses atrás
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Criado por PEDRO ÁLVAREZ JIMÉNEZ
quase 7 anos atrás
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Questão 1
Responda
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All parasites live in or on host organisms
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All parasites kill their hosts
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All parasites need mosquitoes to move from one host to the next
Questão 2
Questão
What do Gordian worms do to their cricket hosts?
Responda
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They make crickets move erratically
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They make crickets move close to water
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All of the above
Questão 3
Questão
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?
Responda
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Uninfected and infected rats both prefer hiding places with cat urine
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Uninfected and infected rats both prefer hiding places with rabbit urine
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Uninfected rats prefer hiding places with rabbit urine, while infected rats prefer hiding places with cat urine
Questão 4
Questão
Dogs infected with rabies virus are aggressive and produce lots of saliva. These symptoms help the virus move on to the next host.
Responda
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False; these symptoms help the host get rid of the virus
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True; the saliva will contaminate the environment, from which other hosts become infected
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True; these symptoms make the host likely to bite another host and thereby transmit the virus
Questão 5
Questão
How many organisms on Earth are considered parasites?
Responda
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One-third
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More than one-half
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Nearly all of them
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