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WorksheetsPorifera Quiz
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Because sponges cannot move around they are considered ______.
a)
sessile
b)
senile
c)
sedementary
d)
spongin
2.
Sponges have many pores or ______ to circulate water.
a)
osculum
b)
holes
c)
ostia
d)
spongin
3.
The protein that makes up a squishy sponge skeleton is called _____.
a)
silica
b)
spongin
c)
spicules
d)
sessile
4.
Sponges feed by ______ particles out of the water column as it passes through their pores.
a)
filtering
b)
suspending
c)
consuming
d)
eating
5.
cells that create spicules, absorb nutrients and oxygen, and can transform into other cell types
a)
amoebocyte
b)
porocyte
c)
pinacocyte
d)
ostiocyte
6.
cells that make up pores all over the sponges body and allow water to enter the sponge.
a)
amoebocyte
b)
porocyte
c)
pinacocyte
d)
ostiocyte
7.
cells have sticky, funnel-shaped collar to collect food particles and a flagellum that creates a water current
a)
amoebocyte
b)
ostiocyte
c)
pinacocyte
d)
choanocyte
8.
flattened cells on the outer surface of a sponge that create a 'skin' layer.
a)
amoebocyte
b)
ostiocyte
c)
pinacocyte
d)
choanocyte
9.
large opening at the top of a sponge where water exits.
a)
ostia
b)
osculum
c)
orifice
d)
opening
10.
skeleton structures made of silica or calcium carbonate
a)
spicules
b)
spongin
c)
sessile
d)
something
11.
simplest sponge body form with multiple ostia and only one osculum
a)
ascon
b)
sycon
c)
leucon
d)
huh
12.
most complex sponge body form with many chambers and canals and can have multiple osculum.
a)
ascon
b)
sycon
c)
leucon
d)
huh
13.
process of sexual reproduction where eggs and sperm are released into the water to form gametes.
a)
broadcast spawning
b)
forcast spawning
c)
budding
14.
Asexual sponge reproduction where a piece of the adult sponge breaks off and settles in a new area growing to adulthood.
a)
broadcast spawning
b)
branching
c)
budding
d)
forcast spawning
15.
Who lives in a pineapple under the sea?
a)
Spongebob Squarepants
b)
Patrick Star
c)
Mr. Krab
d)
Squidward
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