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WorksheetsEchinoderm Quiz
Total questions: 20
Worksheet time: 21mins
Name
Class
Date
1.
What does the term echinoderm mean?
a)
tube feet
b)
star shaped
c)
spiny skin
d)
stomach foot
2.
What type of symmetry do adult starfish exhibit? (hint: how many arms does a starfish have?)
a)
Asymmetry
b)
Pentaradial symmetry
c)
Bilateral symmetry
d)
Trilateral symmetry
3.
Echinoderms have an internal skeleton and a system of fluid-filled tubes called a(n)...(hint: this helps them move)
a)
water vascular system
b)
nervous system
c)
notochord
d)
ampulla
4.
Sea stars feed by
a)
Injecting poison that digests the prey
b)
Everting their stomach to digest prey
c)
Chewing their prey with jaws and teeth
d)
squeezing their prey until it dies
5.
Where does fertilization occur with sea stars?
a)
internal
b)
external
6.
Which is an example of an Asteroidea member?
a)
sea star
b)
sea cucumber
c)
sea urchin
d)
sand dollar
7.
Which is an example of an Ophiuroidea member?
a)
basket star
b)
sea lily
c)
sea cucumber
d)
sea star
8.
Which side of the sea star is the top side?
a)
aboral surface
b)
oral surface
9.
What echinoderm is this?
a)
sea urchin
b)
sea lily
c)
brittle star
d)
sand dollar
10.
What echinoderm is this?
a)
sea lily
b)
sea urchin
c)
sea cucumber
d)
sand dollar
11.
What echinoderm is this?
a)
sand dollar
b)
sea urchin
c)
sea star
d)
brittle star
12.
Which is an example of a Holothuroidea member?
a)
sea star
b)
sea cucumber
c)
sand dollar
d)
sea urchin
13.
Which is an example of an Echinoidea member?
a)
sea star
b)
sand dollar
c)
sea cucumber
d)
sea lilies
14.
Sea stars often feed on...
a)
cniderians
b)
sponges
c)
cephalopods
d)
Bivalve mollusks
15.
What is B?
a)
Mouth
b)
Anus
c)
Madreporite
d)
Tube foot
16.
Which of the following is the opening of a sea star's water vascular system?
a)
stone canal
b)
madreporite
c)
ring canal
d)
tube feet
17.
How do echinoderms excrete nitrogenous waste from their bodies?
a)
through diffusion
b)
through nephridia
c)
through respiratory trees
d)
through dermal gills
18.
By what process will starfish regrow an arm torn off by a predator?
a)
Reconstructive meiosis
b)
Regeneration
c)
Tissue regenesis
d)
Mitotic restoration
19.
What type of skeleton do echinoderms have?
a)
Exoskeleton
b)
Hydrostatic skeleton
c)
Endoskeleton
d)
Mesenteric skeleton
20.
What yucky, yet effective defense mechanism do sea cucumbers have when they shoot out their poisonous intestines to deter predators?
a)
regeneration
b)
evisceration
c)
compaciacion
d)
madreporite
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