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Ch. 28 Test A

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

 1. 
The appendages of arthropods are
a.
found only on the head.
b.
hard and immovable.
c.
jointed and extend from the body wall.
d.
divided into six branches.
 

 2. 
The structures labeled X in Figure 28-1 are filled with

mc002-1.jpg

Figure 28-1
a.
water.
c.
air.
b.
blood.
d.
nitrogenous wastes.
 

 3. 
All of the following are true about arthropods EXCEPT that
a.
they have a closed circulatory system.
b.
they have an exoskeleton made of chitin.
c.
they include herbivores, carnivores, and omnivores.
d.
they move using muscles controlled by the nervous system.
 

 4. 
An arthropod is vulnerable to predators during the molting period because
a.
it must come out of hiding to molt.
b.
its new exoskeleton is soft.
c.
molting cannot occur without the assistance of predators.
d.
predators are more numerous during this period.
 

 5. 
The function of mandibles is to
a.
bite and grind food.
c.
propel an arthropod when it swims.
b.
sense the environment.
d.
support an arthropod when it walks.
 

 6. 
An example of a chelicerate is a
a.
lobster.
c.
crayfish.
b.
centipede.
d.
spider.
 

 7. 
Spiders feed by
a.
swallowing their prey whole.
b.
biting off and swallowing pieces of their prey.
c.
sucking up prey tissues that have been liquefied by enzymes.
d.
sipping nectar through a tubelike mouthpart.
 

 8. 
An insect can detect minute movements in its environment by using its compound eyes and its
a.
Malpighian tubules.
c.
chelicerae.
b.
tracheal tubes.
d.
sensory hairs.
 

 9. 
Which of the following explains why flying has been beneficial to insects?
a.
Nymphs can escape most predators.
b.
Insects can disperse long distances and colonize a variety of habitats.
c.
Insect societies can communicate without using pheromones.
d.
The insect body plan can function with only two sections.
 

 10. 
An example of an insect that undergoes incomplete metamorphosis is the
a.
moth.
c.
beetle.
b.
bee.
d.
chinch bug.
 

 11. 
Which of the following is NOT true about insect societies?
a.
All species use the same “language” of visual and chemical signals.
b.
Individuals may be specialized to perform particular roles.
c.
Every individual in a society works for the benefit of the whole group.
d.
Each caste has a body form specialized for its role.
 

 12. 
In most species of echinoderms, respiration occurs mainly in the
a.
tube feet.
c.
ring canal.
b.
madreporite.
d.
radial canals.
 

 13. 
The skeleton of an echinoderm is an
a.
exoskeleton made of calcium carbonate.
b.
exoskeleton made of chitin.
c.
endoskeleton made of calcium carbonate.
d.
endoskeleton made of chitin.
 

 14. 
The water vascular system of echinoderms is involved with each of the following body functions EXCEPT
a.
respiration.
c.
movement.
b.
circulation.
d.
reproduction.
 

 15. 
In the Great Barrier Reef of Australia, extensive areas of coral have been destroyed by the crown of thorns, which is a type of
a.
sea cucumber.
c.
sea star.
b.
sea urchin.
d.
sea lily.
 

Completion
Complete each statement using the folowing terms:

water vascular       chelicerae       nerve cord       pedipalps       crustaceans
 

 16. 
In arthropods, ganglia are located along a ventral ____________________.
 

 

 17. 
If an arthropod has two pairs of antennae and two or three body sections, it is classified in the group called ____________________.
 

 

 18. 
In an echinoderm, oxygen is carried throughout the body by the ____________________ system.
 

 
 
nar001-1.jpg

Figure 28–2
 

 19. 
In the arthropod in Figure 28-2, the appendages labeled 1 are called ____________________.
 

 

 20. 
In the arthropod in Figure 28-2, the appendages labeled 2, which contain mouthparts, are called ____________________.
 

 



 
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