Class Anthozoa
12 Questions
| Attempts: 146
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Questions and Answers
- 1.
Anthozoans can possess a medusa or a polyp body form.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
There are no medusa body forms.Rate this question:
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- 2.
Anemones are
- A.
Solitary
- B.
Colonial
Correct Answer
A. SolitaryExplanation
Coral is colonialRate this question:
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- 3.
___________ is a cnidocyte bearing mesentary wall.
Correct Answer
Septa - 4.
In Anthozoans, mesoglea contains
- A.
Choanocytes
- B.
Ameboid cells
Correct Answer
B. Ameboid cells -
- 5.
Anemones are solitary, and they can be free moving or sessile.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
They can move by pedal disc, crawling, walking on tentaclesRate this question:
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- 6.
What is protandry?
- 7.
____________ is a group of ______ that are a common symbiont of hard coral.
Correct Answer
Zooxanthellae, algae - 8.
___ ___ and _______ are a soft coral that have an _______ skeleton of calcium carbonate.
Correct Answer
Sea fans, gorgonia, internal - 9.
Hard coral can retract into an exoskeleton when threatened,
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
Corals only occur in __ meters of water or less.
Correct Answer
30 - 11.
These secrete a calcium carbonate skeleton around the base.
- A.
Zooxanthellae
- B.
Hard Coral
- C.
Soft Coral
Correct Answer
B. Hard Coral -
- 12.
These have an internal skeleton of calcium carbonate or protein.
- A.
Zooxanthellae
- B.
Hard Coral
- C.
Soft Coral
Correct Answer
C. Soft Coral -
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Jan 18, 2013Quiz Edited by
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Sep 29, 2010Quiz Created by
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