Unit Test — Unit test Answers
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A patient in a hospital has been diagnosed with malaria, which is a disease transmitted through mosquito bites.
A
Venom from the mosquito entered her skin through the mosquito’s sharp, straw-like mouthpart.B
Saliva from the mosquito entered her skin through the mosquito’s sharp, straw-like mouthpart.C
Blood was drawn from her skin through the mosquito’s sharp, curved pincers.D
Blood was drawn from her skin through a long, straw-like structure on the mosquito’s abdomen.22
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A gecko is a type of reptile. How does a gecko most likely respond to cold air temperatures?
A
by shivering, which is in response to an internal stimulusB
by shivering, which is in response to an external stimulusC
by moving into the sun, which is in response to an internal stimulusD
by moving into the sun, which is in response to an external stimulus23
Each year, as winter approaches, some species become inactive. They may sleep and use their body’s fat for energy during the cold season.What is this behavior called?
A
migrationB
hibernationC
imprintingD
conditioning24
The diagram shows the heart of a bird.
A
to keep oxygen-rich blood and oxygen-poor blood flowingB
to filter waste materials from oxygen-poor bloodC
to filter waste materials from oxygen-rich bloodD
to keep oxygen-rich blood and oxygen-poor blood separate25
Which are characteristics of cephalopods? Check all that apply.open circulatory systemcomplex nervous systemswim by jet propulsiontwo shells connected by a hingefeet modified as tentacles
A
open circulatory systemB
complex nervous systemC
swim by jet propulsionD
two shells connected by a hingeE
feet modified as tentaclesDid you find these answers helpful?
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