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Phylum Porifera
Test Description: Do you know your Porifera Vocabulary?
Instructions: Answer all questions to get your test result.
1) Which flagellated cells move water currents through a sponge?
A
amoeboid cells
B
choanocyctes
C
pinaocyctes
D
gemmules
2) The word Porifera means
A
filter feeding
B
multicellular organism
C
pore bearing
D
diffusion based
3) What is used the internal support (the skeletal system) of a sponge?
A
spicules and gemmules
B
spongin and collagen
C
gemmules and collagen
D
spicules and spongin
4) What word refers to how sponges actually transport oxygen, nutrients, and waste? throughout the cell?
A
spongin
B
sessile
C
diffusion
D
none of these
5) What is another name for a choanocyte?
A
pore cell
B
gemmule
C
collar cell
D
pinacocyte
6) The opening at the top of a sponge where water exits the sponge is called the
A
gemmule
B
osculum
C
spongocoel
D
spicule
7) The space within the sponge is known as the
A
spicule
B
spongocoel
C
osculum
D
gemmule
8) The cells responsible for the distribution of food, oxygen, and waste are called
A
amebocytes
B
collar cells
C
spongin
D
porocytes
9) The purpose of a spicule is to
A
produce toxins for the sponge
B
allow water to enter the sponge
C
support the sponge
D
provide oxygen
10) Since a sponge is an animal, the sponge will take in oxygen but release ______ as a waste product.
A
sulfur
B
toxins
C
carbon dioxide
D
nitrogen
11) Another name for the spongocoel is the
A
central cavity
B
osculum
C
epidermal cell
D
spicule
12) A specialized cell through which water enters the sponge is called a(n)
A
spongocoel
B
pore cell
C
amebocyte
D
collar cell
13) What is the name of the middle layer of a sponge that contains amoeboid cells?
A
ostia
B
mesenchyme
C
spongocoel
D
osculum
14) Which cells undergo meiosis to make sperm?
A
pinacocytes
B
collar cells
C
amoeboid cells
D
pore cells
15) The outer opening of a porocyte (pore cell) is called the
A
collar cell
B
osculum
C
spongocoel
D
ostia
*select an answer for all questions
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