Unit #5 Quiz #3
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1
The root terms for Arthro-pod means:
A
joint foot
B
large claw
C
foot club
D
joint head
2
The animal in the following pictures represents ___________.
A
asymmetry
B
radial symmetry
C
bilateral symmetry
D
hexamerism
3
Which of the following is used to walk across the benthic zone in search of
food:
A
B
C
D
4
Crustaceans have which type of skeleton:
A
endoskeleton
B
exoskeleton
C
hydrostatic skeleton
D
axial skeleton
5
The name for the circulatory organ that pumps fluid throughout a
crustacean is know as a(an):
A
hemo heart pump
B
blood lymph pump
C
hemolymph pump
D
heart
6
Why do sea urchins have the longest tube feet of all echinoderms?
A
They need long tube feet to reach beyond or between their
protective spines
B
The need the long tube feet to reach food from their most anterior
end to their most posterior end to feed
C
They use these long tube feet to help open and close their shellcrushing teeth
D
They use these long tube feet to open the shells of the strongest
bivalves
7
Which of the following is used to make a quick escape & fling substrate at a
threat:
A
B
C
D
8
One advantage of a complete digestive system over an incomplete
digestive system is that an organism with a complete system:
A
Must pause to eject waste through its mouth prior to eating a food
source larger than its’ GVC
B
Can continue to consume food without having to eject that food
through the same orifice that it is consuming food
C
Must input food through multiple orifices while ejecting waste out of
similar orifices
D
An organism can simply diffuse nutrients through the thin tissues
surrounding the organism
9
Echinoderms have which type of skeleton:
A
endoskeleton
B
exoskeleton
C
hydrostatic skeleton
D
axial skeleton
10
The terminal end of the excretory system found
within most crustaceans is located on the:
A
Ventral portion
B
Posterior portion
C
Dorsal postion
D
Anterior portion
11
The animal in the following pictures represents _________.
A
asymmetry
B
radial symmetry
C
bilateral symmetry
D
hexamerism
12You reach into a tank and poke a brittle star fish. It responds by quickly moving
under a nearby rock and curling into a ball. The brittle star responded to your
touch because of which of the following receptors:
A
Photoreceptor
B
Chemoreceptor
C
Statocyst
D
Thigmoreceptor
13
What chemical makes up the endoskeleton of echinoderms?
A
Chitin
B
Spicules
C
Spongin
D
Calcium carbonate
14
Tube feet found within an echinoderm are
responsible for all of the following EXCEPT:
A
Feeding
B
Secreting digestive enzymes
C
Locomotion
D
Absorbing dissolved oxygen
15
The water vascular system found within echinoderms
is an evolutionary precursor to which of the following systems:
A
Endocrine system found within humans
B
Excretory system found within humans
C
Cardiovascular system found in humans
D
Respiratory system found within humans