WorksheetsUnit Test Review: Phyla Porifera, Cnidaria, and Ctenophora
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Cells used by a sponge to create an incoming current.
a)
Archaeocytes
b)
Choanocytes
c)
Pinacocytes
d)
Mesohyl
2.
Name for the pores on a sponge.
a)
Osculum
b)
Ostia
c)
Spicules
d)
Spongin
3.
Skeleton type make up of microscopic needlelike structures.
a)
Mesohyl
b)
Spicules
c)
Spongin
d)
Spongocoel
4.
The jellylike extracellular matrix in a sponge.
a)
Mesohyl
b)
Osculum
c)
Pinacocytes
d)
Ostia
5.
Sponges are considered:
a)
Monoblastic with only one germ layer
b)
Diploblastic with two germ layers
c)
Triploblastic with three germ layers
d)
Quadroblastic with four germ layers
6.
Sponges have what type of symmetry:
a)
Bilateral
b)
Asymmetry
c)
Radial
d)
Biradial
7.
What term best describes an adult sponge?
a)
Sessile
b)
Sedentary
c)
Burrowing
d)
Free-swimming
8.
This class of sponges is made of spongin and spicules.
a)
Calcarea
b)
Hexactinellida
c)
Demospongiae
9.
Spicules are made of calcium carbonate.
a)
Calcarea
b)
Hexactinellida
c)
Demospongiae
10.
Contains mostly deep sea forms, such as the glass sponges.
a)
Calcarea
b)
Hexactinellida
c)
Demospongiae
11.
Contains 95% of living sponges, including the freshwater species.
a)
Calcarea
b)
Hexactinellida
c)
Demospongiae
12.
Which body form is pictured here?
a)
Asconoid
b)
Leuconoid
c)
Syconoid
13.
Which phyla or class do box jellies belong to?
a)
Anthozoa
b)
Ctenophora
c)
Cubozoa
d)
Hydrozoa
e)
Scyphozoa
14.
Which phyla or class do comb jellies belong to?
a)
Anthozoa
b)
Ctenophora
c)
Cubozoa
d)
Hydrozoa
e)
Scyphozoa
15.
Which phyla or class do coral belong to?
a)
Anthozoa
b)
Ctenophora
c)
Cubozoa
d)
Hydrozoa
e)
Scyphozoa
16.
Which phyla or class do Portuguese Man-O'-War belong to?
a)
Anthozoa
b)
Ctenophora
c)
Cubozoa
d)
Hydrozoa
e)
Scyphozoa
17.
A blind gut which has a single exterior opening found in cnidarians.
a)
cnidocil
b)
cnidocytes
c)
coelenteron
d)
gastrodermis
18.
A jelly-like extracellular matrix that is mainly water in a jellyfish.
a)
epidermis
b)
gastrodermis
c)
mesoglea
d)
nematocysts
19.
Cnidarian stinging cells.
a)
Cnidocytes
b)
Statocysts
c)
Pedal disc
d)
Calyx
20.
Inner cell layer of an adult cnidarian, functions mainly in digestion.
a)
Cnidocytes
b)
Coelenteron
c)
Gastrodermis
d)
Ocelli
21.
Sensory structures used for orientation.
a)
Cnidocytes
b)
Nematocysts
c)
Statocysts
d)
Mesoglea
22.
Jellyfish and their relatives have what type of symmetry.
a)
Bilateral
b)
Asymmetry
c)
Radial
d)
Biradial
23.
The cnidarian nervous system is composed of:
a)
a simple brain
b)
nerve clusters
c)
a nerve net
d)
nothing
24.
Organisms with two different body forms exhibit:
a)
dimorphism
b)
bimorphism
c)
dioecious
d)
bioecious
25.
Adapted to free-floating or weak swimming.
a)
Polyp
b)
Medusa
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