Unit #5 Quiz #1
«grade»
Grade:
Aquatic Science
Subject:
«date»
Date:
1
Echinoderms have which type of skeleton:
A
endoskeleton
B
exoskeleton
C
hydrostatic skeleton
D
axial skeleton
2
Tube feet found within an echinoderm are responsible for all of the
following EXCEPT:
A
Absorbing dissolved oxygen
B
Locomotion
C
Digestion
D
Feeding
3
All of the following can be found within the arm of a starfish EXCEPT:
A
the ambulacral groove
B
the ring canal
C
the radial canal
D
the tube feet
4
Echinoderms can reproduce in all of the following ways EXCEPT:
A
Hermaphroditic reproduction
B
Asexual reproduction
C
Sexual reproduction
D
Regeneration
5
The animal in the following picture represents ____________.
A
asymmetry
B
radial symmetry
C
bilateral symmetry
D
hexamerism
6
The animal in the following pictures represents _________.
A
asymmetry
B
radial symmetry
C
bilateral symmetry
D
hexamerism
7
The animal in the following pictures represents ___________.
A
asymmetry
B
radial symmetry
C
bilateral symmetry
D
hexamerism
8
Sea stars have ocelli:
A
located at the very center of the organism on the dorsal side
B
located at the terminal end of each arm
C
located at the very center of the organism on the ventral side
D
located at the temrinal end of the largest & most dominant arm
9
Sea stars will flex their arms in opposing directions during the process of
righting themselves if they get flipped upside down. This ability to sense
being upside-down suggests they have:
A
Chemoreceptors
B
Statocysts
C
Photoreceptors
D
Thigmoreceptors
10
All of the following have an endoskeleton EXCEPT:
A
Sea star
B
Sea cucumber
C
Porifera
D
Brittle star
11
You 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
12
Brittle stars and sea stars differ in their modes of movement in that:
A
Brittle stars use hydraulics within their tube feet to suction onto a
surface and hold there for a long period of time, while sea stars drag
themselves across a surface with tube feet that resemble spines
B
Sea stars use hydraulics within their tube feet to suction onto a
surface and hold there for along period of time, while brittle stars
drag themselves across a surface with tube feet that resemble
spines
C
Brittle stars use their tube feet to slide across a surface similar to the
motion of a hover craft
D
Sea stars can push water out of their mouth to lift themselves off of a
surface and push themselves onto another, whereas s brittle star
must climb up the same object
13
You reach your arm into a tank containing a sea urchin & move your hand
close to the animal. While your hand is several inches away from the
urchin, it begins to wave its spines erratically. The urchin detected the your
presence via:
A
Chemreceptor
B
Thigmoreceptor
C
Statocyst
D
Photoreceptor
14
Which of the following echinoderms have primitive gills:
A
Sea Urchin
B
Sea Star
C
Sand Dollar
D
Sea Cucumber
15
Which of the following must be included is a sea star fragment for an entire
organism to regenerate:
A
A majority of the arms
B
A majority of the water vascular system
C
A fragment of the central disc
D
A fragment of the stomach