Which animals use a radula?

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. What animal does not have a radula?
2. What is a radula in snails?
3. What are the 6 molluscs?
4. What is the radula function in mollusks?
5. Is an octopus a fish?
6. Are octopus and squid related?
7. Do squids have radula?
8. Do all molluscs have shells?
9. Can snails eat strawberries?
10. Is lobster a mollusc?
11. Is a jellyfish a mollusk?
12. Is an octopus a mollusk?
13. Do echinoderms have radula?
14. What is the role of radula in molluscs Class 11?
15. What is the function of a radula quizlet?

What animal does not have a radula?

Clams, oysters, scallops, and mussels are bivalves. This type of mollusk does not have a radula. They are mostly filter-feeders. They strain their food from Page 2 the surrounding water.

What is a radula in snails?

Snails and slugs eat with a jaw and a flexible band of thousands of microscopic teeth, called a radula. The radula scrapes up, or rasps, food particles and the jaw cuts off larger pieces of food, like a leaf, to be rasped by the radula.

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.

What is the radula function in mollusks?

The radula is the anatomical structure used for feeding in most species of Mollusca. Previous studies have revealed that radulae can be adapted to the food or the substrate the food lies on, but the real, in vivo forces exerted by this organ on substrates and the stresses that are transmitted by the teeth are unknown.

Is an octopus a fish?

Yes, a mollusk — like your common garden snail. To be more specific, an octopus belongs to a unique class of mollusks known as cephalopods. ... To put it in simpler terms, this why an octopus has no bones — no skeleton — it is an invertebrate. A fish has a backbone and a skeleton — it is a vertebrate.

Are octopus and squid related?

You wouldn't be alone if you thought the octopus and squid were the same animals. They are cousins—both part of the group cephalopoda—a group of marine mollusks that include squid, octopus, nautilus, and snails. ... Squids use their two long tentacles to catch prey and eat it in chunks.

Do squids have radula?

Inside the giant squid's sharp beak is a tongue-like organ called the radula (shown in yellow). Covered with rows of tiny teeth, it rams bite size pieces of food down the squid's throat.

Do all molluscs have shells?

Not all shelled molluscs live in the sea; many live on the land and in freshwater. The ancestral mollusc is thought to have had a shell, but this has subsequently been lost or reduced on some families, such as the squid, octopus, and some smaller groups such as the caudofoveata and solenogastres.

Can snails eat strawberries?

Land snails enjoy eating a wide variety of foods, mainly fresh produce. ... The following foods are safe for snails: Fruits: apples, apricot, grapes, kiwi, mango, melon, nectarine, raspberry, strawberry. Veggies: cucumber, mushroom, lettuce, broccoli, green beans, peas, sprouts, sweet corn, turnip, watercress.

Is lobster 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 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 an octopus a mollusk?

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.

Do echinoderms have radula?

All gastropods use their radula as a feeding organ; some also use the radula to burrow. Animal Diversity III: Mollusca, Echinodermata, etc. ... The foot in these molluscs is located in the head region (the name Cephalopoda means "head- foot") and has become subdivided into a series of tentacles that surround the mouth.

What is the role of radula in molluscs Class 11?

The radula is an anatomical structure used by molluscs for feeding, which is also sometimes compared to a tongue. The radula is present in the buccal cavity of a mollusc. It is a minutely toothed, chitinous ribbon, that is usually used for scraping or cutting food.

What is the function of a radula quizlet?

The radula (plural radulae or radulas) is an anatomical structure that is used by molluscs for feeding, sometimes compared rather inaccurately to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters the esophagus.