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Bivalves do not have a radula.

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15y ago

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What class is snail?

Molluscs


What do bivalves lack that other classes have?

other molluscs have a radula which is lost in the bivalves, they also have a reduced head and nervous system. most are also lamellibranchs (filter feeders) which is why they have lost the radula (used for rasping plant life by herbivores such as the gastropods).


What class of animals does mollusc belong?

molluscs


Snails belong to what group of invertebrates?

Class Gastropoda.


How do mollusks protect their bodies?

Most molluscs have only one pair of gills, or even only one gill. Most molluscs have muscular mouths with radulae, "tongues" bearing many rows of chitinous teeth, which are replaced from the rear as they wear out. The radula primarily functions to scrape bacteria and algae off rocks. This radula is associated with the odontophore, a cartilaginous supporting organ.


Do oysters have a radula?

No. Oysters do not have a radula


What group is a chiton in?

Chiton's are marine molluscs in the Polyplacophora class. They used to be known as Amphineura.


Is a spider a mollusc?

No, a spider is not a mollusc. Spiders belong to the class Arachnida, while molluscs belong to the phylum Mollusca. Molluscs include animals like snails, clams, and octopuses.


What is the group when an invertebrate has a fleshy pad for movementanimals?

Molluscs - The molluscs or mollusks, compose the large phylum of invertebrate animals, known as the phylum Mollusca. Around 85,000 extant species of molluscs are recognized. Snails, slugs etc.


What type of mollusk does not have a radula?

The radula (or some form of the radula) is found in all classes of mollusks except bivalves (organisms with two shells such as clams).


What type of skin does molluscs have?

what type of skin does molluscs


How does coelom form in molluscs?

Molluscs are acoelomate; they have no body cavities.