Mollusks

What does mollusca mean?

What does mollusca mean?
  1. What is the literal meaning of Mollusca?
  2. What makes an animal a Mollusca?
  3. Why Mollusca are called so?
  4. What makes something a Mollusca?
  5. What is literal meaning of Arthropoda and Mollusca?
  6. What is the common name for Mollusca?
  7. Where are Mollusca found?
  8. Is a mollusk a snail?
  9. Is a slug a mollusk?
  10. What is unique about Mollusca?
  11. Who discovered Mollusca?
  12. What is true Mollusca?
  13. How do Mollusca get their food?
  14. Why are molluscs important to humans?
  15. What animals create pearls?
  16. What is the literal meaning of Arthropoda?
  17. Do mollusks have feet?

What is the literal meaning of Mollusca?

Mollusca, meaning “soft-bodied,” is one of the largest phylums in the animal kingdom. ... Familiar phylum species include snails, squid, octopuses, clams and oysters.

What makes an animal a Mollusca?

Molluscs have a mantle or mass of soft flesh that covers the soft body and encloses the internal organs. In many species, the mantle produces a hard shell. Not all molluscs produce a shell.

Why Mollusca are called so?

The term Mollusca was derived from the term given by Aristotle to cuttlefish. Mollusc means soft. These organisms are found in the terrestrial as well as in deep seas. Their size ranges from microscopic organisms to organisms 20 metres long.

What makes something a Mollusca?

mollusk, also spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.

What is literal meaning of Arthropoda and Mollusca?

Answer : (a) The literal meaning of Arthropoda is animals with jointed legs. (b) The literal meaning of Mollusca is soft bodied or shelled animals.

What is the common name for Mollusca?

MOLLUSCA - THE MOLLUSKS (CLAMS, SNAILS, CEPHALOPODS ET AL.)

Where are Mollusca found?

Most mollusks are marine animals that live in habitats from shallow coastal areas to deep waters. Most stay within the sediments at the bottom of water bodies, although a few—such as cephalopods—are free swimming.

Is a mollusk a snail?

Molluscs have more varied forms than any other animal phylum. They include snails, slugs and other gastropods; clams and other bivalves; squids and other cephalopods; and other lesser-known but similarly distinctive subgroups. ... About 80% of all known mollusc species are gastropods.

Is a slug a mollusk?

slug, any mollusk of the class Gastropoda in which the shell is reduced to an internal plate or a series of granules or is completely absent. The term generally refers to a land snail. ... Marine gastropods of the subclass Opisthobranchia are sometimes called sea slugs (see opisthobranch).

What is unique about Mollusca?

Mollusks are aquatic species that are not fish. They include snails, scallops, and squids. Mollusks have a hard outer shell that covers the top of the body and encloses the internal organs. Mollusks have unique features such as the mantle and radula.

Who discovered Mollusca?

One of these will form the subject of the present volume, commonly known by the name of Mollusca; a term invented by the illustrious Cuvier, from the word mollis (soft), and evidently suggested by the softness of their boneless bodies.

What is true Mollusca?

Bilateral symmetry and calcareous shell.

How do Mollusca get their food?

HOW DO MOLLUSKS FEED? Most mollusks have a rasping tongue called a radula, armed with tiny teeth. This scrapes tiny plants and animals off rocks or tears food into chunks. Bivalves, such as oysters and mussels, filter food particles from the water with their gills.

Why are molluscs important to humans?

Mollusks are important in a variety of ways; they are used as food, for decoration, in jewelry, and in scientific studies. They are even used as roadbed material and in vitamin supplements.

What animals create pearls?

Unlike gemstones produced deep inside the Earth, pearls are created by living creatures called mollusks. Mollusks commonly have a soft, unsegmented body and a hard exterior shell, such as a clam or snail has. These animals live in marine and freshwater habitats as well as on land.

What is the literal meaning of Arthropoda?

An arthropod is an animal with no internal spine, a body made of joined segments, and a hard covering, like a shell. ... The Modern Latin root is Arthropoda, which is also the name of the animals' phylum, and which means "those with jointed feet."

Do mollusks have feet?

Mollusks have a muscular foot used for locomotion and anchorage that varies in shape and function, depending on the type of mollusk under study. In shelled mollusks, this foot is usually the same size as the opening of the shell. The foot is a retractable as well as an extendable organ.

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