Phylum Porifera: The Sponges
26 Questions
| Total Attempts: 764
Questions over a part of the phylum Porifera, including the Scypha, Leucosolenia, Euplectella, and Spongia.
Questions and Answers
- 1.What are metazoans?
- A.
A group containing unicellular animals.
- B.
A group of multicellular animals.
- C.
A group of animals with true tissues.
- 2.Sponges are eumetazoans.
- A.
True
- B.
False
- 3.Sessile means that as adults, sponges are
- A.
Freely moving organisms.
- B.
Permanently attached, unmoving.
- C.
Only found on land.
- 4.Sponges are filter feeders as adults.
- A.
True
- B.
False
- 5.Sponges have a skeleton made up of collagen, spongin, and inorganic spicules covered by flatted cells called ___________.
- A.
Choanocytes
- B.
Archaeocytes
- C.
Pinacocytes
- 6._______ form the support structure of the skeleton and ca be calcium (calcareous) or silicon (siliceous) based.
- A.
Asconoid
- B.
Syconoid
- C.
Spicules
- D.
Gemules
- 7.Embedded in the skeleton are flagellated cells called ________.
- A.
Choanocytes
- B.
Archaeocytes
- C.
Pinacocytes
- 8.Asconoid forms have choanocytes lining the ___________.
- A.
Spongocoel
- B.
Radial canals
- C.
Choanocyte chambers.
- 9.Syconoid sponges have choanocytes lining the _________.
- A.
Spongocoel
- B.
Radial Canals
- C.
Choanocyte Chambers
- 10.Leuconoid sponges have choanocytes lining the ___________.
- A.
Spongocoel
- B.
Radial Canals
- C.
Choanocyte Chambers
- 11.Sponges are grouped according to the type of spicules they contain and the body form they exhibit. What are the three body forms sponges exhibit?
- 12.Sponges can only reproduce asexually.
- A.
True
- B.
False
- 13.Sponges are usually monoecious.
- A.
True
- B.
False
- 14.Some sponges can produce environmentally resistant capsules called _________.
- 15.Scypha (Grantia) are apart of which class?
- 16.Leucoslenia is in what class?
- 17.Euplectella is in what class?
- 18.Spongia is in what class?
- 19.Scypha has what kind of body form: Asconoid, Syconoid or Leuconoid?
- 20.Spongia has what kind of body form: Asconoid, Syconoid or Leuconoid?
- 21.
![What is the genus of this image? - ProProfs]( "What is the genus of this image?")
What is the genus of this image? - 22.
![What are these? - ProProfs]( "What are these?")
What are these? - 23.
![What are these? - ProProfs]( "What are these?")
What are these? - 24.
![What genus is this sponge? - ProProfs]( "What genus is this sponge?")
What genus is this sponge? - 25.
![What genus is this sponge? - ProProfs]( "What genus is this sponge?")
What genus is this sponge?
Questions: 13 | Attempts: 1746 | Last updated: Jan 6, 2021
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