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WorksheetsCnidaria, Cteno, & Coral Quiz
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
A large stinging cell that is found in all cnidarians is
a)
cnidoblast
b)
enteron
c)
colloblast
d)
statocyst
2.
Which is not a class of Cnidaria
a)
anthozoa
b)
monozoa
c)
scyphozoa
d)
hydrozoa
3.
The "jello" layer of the cnidaria which is between the epidermis and the gastro tissues.
a)
ectoderm
b)
enteron
c)
endoderm
d)
mesoglea
4.
All Cnidarians have _____, but no _____.
a)
stinging cells, tissue cells
b)
organs, tissue
c)
tissues, organs
d)
tissue, stinging cells
5.
The phylum Cnidaria includes sea anemones, jellyfish, and coral
a)
True
b)
False
6.
Cnidarians are mostly found in
a)
marine/salt water
b)
fresh water
c)
both
7.
Identify the following Cnidarian design
a)
syphozoa
b)
medusa
c)
polyp
d)
enteron
8.
The outer layer of the Cnidarian is called...
a)
enteron
b)
epidermis
c)
mesoglea
d)
nematocyst
9.
The venom that is stored in the cnidoblasts is delivered through the
a)
operculum
b)
enteron
c)
mesogea
d)
nematocysts
10.
The design of a medusa, a Cnidarian's mouth/anus is pointed
a)
up
b)
down
c)
sideways
d)
can be pointed any which way
11.
The class of Cnidarians that live in colonies mostly are
a)
anthozoan
b)
sycphozoan
c)
cudozoan
d)
hydrozoan
12.
All cnidarians reproduce....
a)
sexually
b)
asexually
13.
Polyps are ______, while medusa are ______.
a)
sessile, motile
b)
motile, sessile
c)
both motile and sessile, just motile
14.
The common Cnidarian found in and around the Chesapeake Bay is
a)
Lion's mane jelly
b)
P. Man-o-War
c)
Sea Wasp
d)
Sea Nettle
15.
What all of the following are a purpose of the Cnidoblasts EXCEPT for
a)
repel predators
b)
catch prey
c)
reproduction
d)
none of these
16.
Instead of ctenophora having stinging cells, they have sticky cells called
a)
cnidoblasts
b)
colloblasts
c)
nematocysts
d)
stickacytes
17.
Ctenophora have how many layers of tissues?
a)
1
b)
2
c)
3
d)
4
18.
Ctenophora are the known group of....
a)
jellyfish
b)
sponges
c)
comb jellies
d)
coral
19.
What is wrong with this coral?
a)
It hasn't been to sunseekers in over a month
b)
Warming of water made it bleach
c)
Coral mining caused it to sufficate
d)
The loss of fish caused it to die
20.
Where do they belong?
a)
Class Scyphozoa
b)
Class Anthozoa
c)
Class Hydrozoa
d)
Class Cubozoa
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