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WorksheetsEchinoderma
Total questions: 15
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following organisms is NOT an echinoderm?
a)
sea cucumber
b)
sand dollar
c)
nudibranch
d)
brittle starfish
2.
With regard to body cavities, how are echinoderms classified?
a)
Deuterostome coelomate
b)
Protostome coelomate
c)
Deuterostome acoelomate
d)
Protostome acoelomate
3.
What does the term echinoderm mean?
a)
tube feet
b)
star shaped
c)
spiny skin
d)
stomach foot
4.
What type of symmetry do adult echinoderms exhibit?
a)
Asymmetry
b)
Pentaradial symmetry
c)
Bilateral symmetry
d)
Trilateral symmetry
5.
The larva of echinoderms have _____ symmetry.
a)
Asymmetrical
b)
Bilateral
c)
Radial
d)
None
6.
Echinoderms have an internal system of fluid-filled tubes called a(n)...
a)
water vascular system
b)
nervous system
c)
notochord
d)
ampulla
7.
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
8.
What phylum do echinoderms belong to?
a)
Cnidaria
b)
Porifiera
c)
Echinodermata
d)
Chordata
9.
Which is an example of an Asteroidea member?
a)
sea star
b)
sea cucumber
c)
sea urchin
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.
Organ in starfish that can turn itself inside out when feeding
a)
pyloric stomach
b)
madreporite
c)
cardiac stomach
d)
digestive gland
13.
The nerve that runs down each arm of a starfish is the _____
a)
nerve ring
b)
stone nerve
c)
radial nerve
d)
ampulla
14.
Which is an example of a Holothuroidea member?
a)
sea star
b)
sea cucumber
c)
sand dollar
d)
sea urchin
15.
Which is an example of an Echinoidea member?
a)
sea star
b)
sand dollar
c)
sea cucumber
d)
sea lilies
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