Phylum Mollusca: The Molluscs
30 Questions
| Attempts: 855
Today we’ll be looking at a well-known, large phylum of invertebrate animals, called Mollusca – whose members are most often referred to as molluscs, of which around 85,000 extant species are recognised. What do you know about them?
Questions and Answers
- 1.What carried out many functions, but protection of the soft body is the primary function?
- 2.The molluscan body is divided into two regions -- the _________ and _________.
- 3.Which region contains the feeding, special sensory, and locomotion structures?
- 4.All but the_________ have a rasping, tongue-shaped organ called the radula, which is used for feeding.
- 5.Most molluscs go through metamorphosis, producing larval forms such as a ____________ and __________.
- 6.Molluscs are the _________ largest phylum of animals with approximately 50,000 extant species.
- A.
1st
- B.
2nd
- C.
3rd
- 7.The genus Chiton is located in what class?
- 8.The genus Dentalium is located in what class?
- 9.The genus Busycon is found in what class?
- 10.The genus Helix found in what class?
- 11.The genus Limax is found in what class?
- 12.The genus Haliotis is found in what class?
- 13.The genus Ostrea is found in what class?
- 14.The genus Ptychobranchus is found in what class?
- 15.The genus Nautilus is found in what class?
- 16.The genus Sepia is found in what class?
- 17.The genus Octopus is found in what class?
- 18.The genus Loligo is found in what class?
- 19.
What is the genus of this species? - 20.
What is the genus of this species?
- 21.
What is the genus of this species?
- 22.
What is the genus of this species?
- 23.
What is the genus of this species?
- 24.
What is the genus of this species?
- 25.
What is the genus of this species?
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