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Ch. 28 STP

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
Mites and ticks are examples of
a.
crustaceans
d.
chelicerae
b.
swimmerets
e.
uniramians
c.
arachnids
 

 2. 
In spiders, the organs that contain the sik gands are called
a.
carapaces
d.
madreporites
b.
spinnerets
e.
tube feet
c.
swimmerets
 

 3. 
Which of these is NOT a characteristic of an echinoderm?
a.
five-part radial symmetry
d.
a water vascular system
b.
a pair of antennae
e.
an internal skeleton
c.
tube feet
 

 4. 
Types of animals that have four pairs of walking legs
a.
Trilobites
d.
Pheromones
b.
Pedipalps
e.
Sea stars
c.
Arachnids
 

 5. 
Chemical messengers that affect the behavior or development of other individuals of the same species
a.
Trilobites
d.
Pheromones
b.
Pedipalps
e.
Sea stars
c.
Arachnids
 

 6. 
Group containing spiders, scorpions, ticks, and mites
a.
Trilobites
d.
Pheromones
b.
Pedipalps
e.
Sea stars
c.
Arachnids
 

 7. 
Carnivorous echinoderms that move by creeping slowly along the ocean floor
a.
Trilobites
d.
Pheromones
b.
Pedipalps
e.
Sea stars
c.
Arachnids
 

 8. 
Extinct group of marine arthropods that were abundant more than 500 million years ago
a.
Trilobites
d.
Pheromones
b.
Pedipalps
e.
Sea stars
c.
Arachnids
 

 9. 
At which of the following temperatures would a cricket be most likey to chirp 9 times in 15 seconds?
a.
2 C
d.
0 C
b.
10 C
e.
25 C
c.
18 C
 

 10. 
What can the student conclude from this experiment?
a.
Crickets cannot chirp more than 31 times in 15 seconds
b.
The number of chirps decreases when the temperature decreases
c.
Crickets never chirp more than 31 times every 15 seconds
d.
The number of chirps increases when the temperature decreases
e.
There is no relationship between the number of cricket chirps and temperature
 



 
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