Which animals have radulas?

The radula is unique to the molluscs, and is found in every class of mollusc except the bivalves, which instead use cilia, waving filaments that bring minute organisms to the mouth. Within the gastropods, the radula is used in feeding by both herbivorous and carnivorous snails and slugs.

1. Which of these animals is a mollusk?
2. What are the 6 molluscs?
3. Do cephalopods have a radula?
4. Is a jellyfish a mollusk?
5. Is a snail a mollusk?
6. Is Prawn a mollusc?
7. Is Octopus a mollusc?
8. Are barnacles mollusks?
9. Is a clam a mollusk?
10. Are molluscs fish?
11. Which is the Headfoot animal among following?
12. Is an octopus a mollusk or a cephalopod?
13. Is an octopus a cephalopod?
14. Is a snail a cephalopod?

Which of these animals is a mollusk?

Mollusks. The mollusk group spans over 50,000 known species. They include snails, clams, oysters, mussels, squid and octopods.

What are the 6 molluscs?

Class Gastropoda – snails, slugs, limpets, whelks, conchs, periwinkles, etc. Class Bivalvia – clams, oysters, mussels, scallops, cockles, shipworms, etc. The Class Scaphopoda contains about 400 species of molluscs called tooth or tusk shells, all of which are marine.

Do cephalopods have a radula?

All living cephalopods have a two-part beak; most have a radula, although it is reduced in most octopus and absent altogether in Spirula. They feed by capturing prey with their tentacles, drawing it into their mouth and taking bites from it.

Is a jellyfish a mollusk?

question_answer Answers(2)

Ans: Phylum mollusca include soft bodied animals with hard shell Eg: snails, octopus, mussels, oysters. Phylum Coelenterata contain special structure called coelenteron where the food digested.It include jelly fish and sea anemones.

Is a snail a mollusk?

The Class Gastropoda (in Phylum Mollusca) includes the groups pertaining to snails and slugs. The majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn.

Is Prawn a mollusc?

The members of the shellfish families are: o Crustaceans: crabs, crayfish, langoustines, lobster, prawns, scampi and shrimp. crustaceans, but may be able to eat molluscs. Similarly, a mollusc allergic person should avoid all molluscs but may be able to eat crustaceans.

Is Octopus a mollusc?

octopuses/octopi, see below for variants) are soft-bodied, eight-limbed molluscs of the order Octopoda (/ɒkˈtɒpədə/, ok-TOP-ə-də). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.

Are barnacles mollusks?

Although they may look like mollusks with their shell-like covering, barnacles are actually crustaceans, related to lobsters, crabs and shrimp. They look like tiny shrimp in their larval stage, where they swim as members of zooplankton in the ocean.

Is a clam a mollusk?

Bivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate. A roughfile clam from the Flower Garden Bank National Marine Sanctuary—just one of many different bivalve mollusk species.

Are molluscs fish?

Fish (e.g., trout, salmon), crustaceans (e.g., lobster, shrimp), and molluscs (e.g., scallops, clams) are sometimes collectively referred to as seafood. Crustacean and mollusc allergies predominately affect adults and are less common among young children.

Which is the Headfoot animal among following?

Classification. Octopus and squid belong to a group of marine invertebrates known as cephalopods. Cephalopod means 'head-footed' – the arms and tentacles are derived from the head. Their closest relatives are snails, slugs, chitons and shellfish, collectively known as molluscs.

Is an octopus a mollusk or a cephalopod?

octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods. (See cephalopod.)

Is an octopus a cephalopod?

Introduction. A highly intelligent group of ocean dwelling creatures, the living cephalopods include the eight-armed octopuses, the ten-armed squids and cuttlefishes, and the shelled chambered nautiluses.

Is a snail a cephalopod?

They can be divided into three categories: the Nautiloidea (chambered Nautilus), the Ammonoidea (the extinct ammonites), and the Dibranchiata (squids, the extinct belemnites, and octopuses). ... Ammonite fossils occur in places in the Cretaceous of Delaware.