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