Porifera and Cnidaria Quiz
Authored by Chris Nolen
Other Sciences, Biology
8th - 12th Grade
Used 811+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The hard "skeleton" structures in a sponge are called...
Spongin
Spicules
Amebocytes
Pinococytes
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What kind of symmetry does a Cnidarian have?
No Symmetry
Bilateral Symmetry
Radial Symmetry
Square
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of symmetry do sponges (Porifera) have?
asymmetrical
radial
bilateral
both radial and asymmetrical
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What phylum has two different forms that exist which are called the medusa and the polyp?
Phylum Porifera
Phylum Cnidaria
Phylum Platyhelminthes
Kingdom Animalia
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a correct description of the Cnidarian digestive tract?
A complete digestive tract consisting of two openings.
A complete digestive tract consisting of one opening
An incomplete digestive tract consisting of two openings.
contains only a mouth and an internal cavity.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which part of the sponge body is a large opening at the top of the central cavity through which water leaves the sponge?
Ostia
Meenchyme
Spongecoel
Osculum
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What kind of feeders are Cnidarians?
autotrophic
mostly carnivorous with some filter feeders
omivores
only filter feeders
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