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WorksheetsPorifera Vocabulary
Total questions: 21
Worksheet time: 10mins
What moves water through the sponge?
Collar cell
Flagella
Porocyte
Amebocyte
Sponges have radial symmetry.
True
False
The large opening at the top of the sponge is called the
Osculum
Porocyte
Spicule
Spongocoel
Which of the following is NOT what a sponge skeleton can be made of?
Spongin
Calcium carbonate
Sodium chloride
Silica
Sponges can only reproduce asexually through fragmentation.
True
False
Describe the water flow through the sponge.
In osculum out porocytes
Out osculum in porocytes
In porocytes out osculum
Out porocytes in osculum
Name of D (opening at top)
Osculum
Ostia
Choanocytes
Incurrent Pore
Water exits the sponge here
A
B
C
D
The cells inside the sponge that have flagella (and absorb food) are called...
Collar cells
Flagella
Osculum
Pores
Structure C is a
choanocyte
amoeboid cell
spicule
pinacocyte
Sponges are primarily sessile organisms. What does this mean?
They live permanently in one palce
They move around their whole life
Which of the following type of cell digests and distributes food for the sponge?
Choanocytes
Amoebocytes
Endodermal cells
Epidermal cells
Which of the following terms defines how sponges can regrow lost body parts?
Budding
Symmetry
Choanocytes
Regeneration
