What is indigo blue dye?

What is indigo blue dye?

Indigo is a kind of blue dye that is usually used for coloring of cotton yarn that is used for manufacturing of denim material for blue jeans. Indigo can be utilized for dyeing wool and silk. Indigo was a pure dye which was extracted from vegetation nonetheless now it is man-made.

What is a marine gastropod?

The marine shelled species of gastropod embrace species resembling abalone, conches, periwinkles, whelks, and plentiful unlike sea snails that produce seashells which may be coiled inside the grownup stage—though in some, the coiling won’t be very seen, for example in cowries.

What do you title a marine gastropod?

Definition of whelk accumulate whelk. huge carnivorous marine gastropods of coastal waters and intertidal vary having a potent snail-like shell.

What makes a gastropod a gastropod?

The Class Gastropoda consists of the snails and slugs. Most gastropods have a single, usually spirally coiled shell into which the physique shall be withdrawn, nonetheless the shell is misplaced or decreased some significant groups. Gastropods have a muscular foot which is used for “creeping” locomotion in most species.

What is a marine gastropod crossword clue?

marine gastropod
Marine gastropod
Marine gastropod

Is a forerunner of crossword?

is a forerunner of
Is a forerunner of
Is a precursor of

What building do most unlike gastropods use to feed?


  • The radula (/ˈrædjʊlə/; plural radulae or radulas) is an anatomical building utilized by mollusks for feeding, usually compared with a tongue.
  • Within the gastropods, the radula is utilized in feeding by every herbivorous and carnivorous snails and slugs.

How do you humanely kill a snail?

Summary: A scientist sought a humane method to complete the lives of snails in a laboratory. She found a dip in a few ounces of beer or a 5 % ethyl alcohol reply sedates the snails. Then they don’t exhibit indicators of bodily distress all through a terminal dunk in 95 % ethyl alcohol.

What is the membrane that strains the inside of the shell in a bivalve?

The bivalve shell consists of two calcareous valves. The mantle, a thin membrane surrounding the physique, secretes the shell valves, ligament, and hinge tooth. The mantle lobes secrete the valves, and the mantle crest creates the other components.

What is visceral mass?

visceral mass: the fragile, non-muscular metabolic space of the mollusc that accommodates the physique organs. mantle: the physique wall of a mollusc, from which the shell is secreted.

Is oyster product of two shells?

A pure pearl begins its life inside an oyster’s shell when an intruder, resembling a grain of sand or little little bit of floating meals, slips in between one in every of many two shells of the oyster, a kind of mollusk, and the protective layer that covers the mollusk’s organs, known as the mantle.

Which class would not have a radula?

Clams, oysters, scallops, and mussels are bivalves. This kind of mollusk would not have a radula.

Do all molluscs have a mantle?

In many, nonetheless not all, species of molluscs, the dermis (pores and pores and skin) of the mantle secretes calcium carbonate and conchiolin, and creates a shell. The phrase mantle means cloak or cape, and does normally resemble a cloak.

Do snails tongues?

Snails do not possess any mouthparts, resembling a crab’s mandibles; neither does it possess a set of tooth like a mammal. Instead, snails have gotten a specialised meals processing organ, frequent to all molluscs: A rasping tongue or radula. Using it, snails won’t be ready to chunk of their meals, nonetheless to rasp it down.

What is a mollusk with out a shell known as?

Mollusks with out shells embrace squid, banana slugs, and octopi.

What are the 7 classes of mollusks?

Mollusks shall be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda. These classes are distinguished by, amongst unlike requirements, the presence and sorts of shells they possess.

What are the 5 predominant classes of Mollusca?

The Phylum Mollusca embody 8 classes: 1) the Monoplacophora present in 1977; 2) the worm-like Aplacophora or solenogasters of the deep sea; 3) the moreover worm-like Caudofoveata; 4) the Polyplacophora, or chitons; 5) the Pelecypoda or bivalves; 6) the Gastropoda or snails; 7) the Scaphopoda, or tusk shells; and eight) …

Which are brightly colored and lack a shell?

Nudibranch. Nudibranchs are a bunch of mollusks that lose their shells all through their larval stage. These brightly-colored sluglike animals are distinctive amongst unlike nudibrachs because of they’re going to develop as a lot as a foot in measurement and are ready to swim freely.

Do cephalopods have a shell?

Most trendy Cephalopods guard their shell inside their our our bodies, identical to the squid and cuttle fish. The solely trendy cephalopod to have an exterior shell is the Nautilus.

Is a jellyfish a mollusc?

Jellyfish are found all world wide, from flooring waters to the deep sea. Scyphozoans (the “true jellyfish”) are utterly marine, nonetheless some hydrozoans with a similar look keep in freshwater….

Phylum: Cnidaria
Subphylum: Medusozoa
Groups included

What is the foot of cephalopods is modified into?


Do mollusks breathe?

Aquatic mollusks “breathe” beneath water with gills. Gills are skinny filaments that take up gases and alternate them between the blood and surrounding water. Mollusks have a circulatory system with one or two hearts that pump blood.

What is the best mollusk?


What is the one dwelling cephalopod with an exterior shell?

Nautiluses are the one extant cephalopods with an actual exterior shell.

Does octopus have Ink?

Typically octopus and squid produce black ink, nonetheless ink will even be brown, reddish, or maybe a darkish blue. Octopus and Squid use their ink as a safety mechanism to flee from prey. Believe it or not individuals have moreover found method to utilize cephalopod ink.

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