mollusk is a phylum of invertebrates, defined by their unique body structures – a head, visceral mass, mantle, and some kind of foot. The mantle protects the mollusk’s body in place of the skeletal structure, and the « foot » has undergone many adaptations across mollusk species.

What animal has a mantle and feet?

mollusk Shows a wide range of morphologies in each class and subclass, but shares some key features, including a muscular foot, a visceral mass containing visceral organs, and a mantle that may or may not secrete a calcium carbonate shell (Figure 1 ).

Do mollusks have mantles and feet?

All mollusks have Gut mass, mantle and feet. Visceral mass contains digestive, excretory and reproductive organs. The mantle is a covering. … muscles for movement, attachment and/or food capture.

Do bivalves have mantles?

The mantle cavity functions as a breathing chamber in most mollusks.exist bivalves it is usually part of the feeding structureIn some mollusks, the mantle cavity is a nesting chamber, while in cephalopods and some bivalves (such as scallops) it is a motor organ. The mantle is muscular.

Do bivalves have legs?

Like fish, bivalve mollusks also breathe through their gills. As filter feeders, bivalves collect food through their gills. Some bivalves have a pointed, retractable « foot » Protrudes from the shell and penetrates into the surrounding sediment, effectively enabling the creatures to move or burrow.

Mollusk mantle and feet

34 related questions found

What animal eats bivalves?

It involves six major groups of animals that may be important predators of bivalves.they are Birds, fish, crabs, starfish and sea urchins, mollusks and flatworms.

Why are they called bivalves?

Clams and their relatives (oysters, scallops, and mussels) are often referred to as bivalves (or bivalve mollusks) Because their housing consists of two parts called valves. Bivalves have a long history.

What is the main function of the mantle?

The functions of the mantle are as follows: The main functions of the mantle are Enclosure of internal organs. Mantle cavities are located inside the mantle, in mollusks. It can hold water and act as a breathing organ.

What is the difference between a mantle and a shell?

difference between crust and mantle as nouns

that’s it The shell is the hard outer shell of an animal And a cape is a garment that is somewhat like an open robe or cloak, especially worn by Orthodox bishops.

What does the mantle of the apple snail do?

mantle cavity. … This cavity is formed by the mantle skirt, a double-layered fold of the mantle that encloses a water space. This space contains the mollusk’s gills, anus, geranium, renal pore and genital pore.mantle cavity function as the breathing chamber of most mollusks.

What are the 2 functions of the mantle of mollusks?

The mantle produces shells in mollusks such as clams and snails.mantle also Functions of respiration, waste disposal and sensory reception. In addition, the mantle is associated with another distinctive feature – the mantle cavity. In aquatic snails and many other mollusks, there is a gill inside the mantle cavity.

Why are snails mollusks?

Most gastropods have only one, Usually helical, coiled shell into which the body can retract…the shells of these creatures are usually found during fossil excavations.

What are clam feet called?

Clams are marine mollusks with two valves or shells. Like all mollusks, clams have a mantle surrounding their soft body. It also has a muscular foot that enables the clam to burrow in dirt or sand.The soft tissue above the foot is called visceral mass And contains the body parts of clams.

Do mollusks have brains?

Molluscs, except the most developed cephalopods, no brain in the strict senseInstead, the cell bodies (pericarya) of nerve cells are concentrated in ganglia (ganglia) in important parts of the body. …In gastropods, ganglia are initially dispersed throughout the body.

Do all mollusks have eyes?

In fact, mollusks have the greatest morphological diversity of eye types of all animals, Seven to eleven different lineages with eyes (von Salvini-Plawen and Mayr 1977). Mollusk eyes range in size from less than 0.02 mm (0.00078 in)

Are jellyfish mollusks?

question_answer Answers (2)

answer: Mollusca Includes hard-shelled mollusks such as snails, octopuses, mussels, oysters. Phylum Coelenterata contains a special structure called the coelenterazine, where food is digested. It includes jellyfish and anemones.

Who will take over the mantle?

As soon as God’s prophet Elijah ascended into heaven, he would leave his cloak or cloak. Elisha« taking up the mantle », taking his place as Elijah as prophet.

What is the temperature of the mantle?

The temperature of the mantle varies widely, starting at 1000 degrees Celsius (1832 degrees Fahrenheit) near the crustal boundary, To 3700 degrees Celsius (6692 degrees Fahrenheit) near the core boundary. In the mantle, heat and pressure generally increase with depth. The geothermal gradient is a measure of this increase.

What means?

definition: Take on leadership roles that others have held. There are some variations of the phrase, including picking up the mantle, carrying the mantle, bearing the mantle, etc.

What does a squid’s cape do?

The main part of the body that contains all the organs is called the mantle. It is the skin pocket that covers the body. The mantle is covered with pigment cells called chromatophores.Squid can change color quickly and they use this Disguise yourself, attract a partner, communicate with each other.

What are the two openings formed at the edge of the mantle?

The trailing edge of the mantle is shaped to form two openings (siphon) to the interior of the mantle cavity (Fig. 2). 2. Be familiar with the application of the following terms to clams: anterior, posterior, dorsal, ventral, left and right.

Do all mollusks have mantles?

All mollusks have a thin layer of tissue called the mantle that covers its internal organs. The mantle produces the shells of mollusks. Clams, oysters, snails, and octopuses are all mollusks.

How do you know the age of the clams?

How do scientists determine the age of clams? Like counting the rings of a tree, you can count the rings on the clams. Deeper rings form in autumn and winter, probably due to cooler water and changes in food abundance. Shell growth slows significantly as the clams get older.

How do bivalves reproduce?

Most marine bivalves spawn freely, release sperm and eggs into the water where fertilization occurs; The larvae then mature into plankton (Invertebrate Reproduction and Development Atlas). …in most of these species, fertilization occurs internally.

How do bivalves protect themselves?

to protect yourself Clams dig holes in the sand with their feet. They can burrow over 11 inches! When the tide comes, they stick out their siphons and inhale fresh seawater to get oxygen so they can breathe.