Seashell Wallpaper

4K vertical HD seashell wallpapers

The most beautiful wallpaper photos have been carefully selected for you and arranged by all phone models.

All you have to do is; Download 4K vertical HD seashell wallpapers applications, choose one of the 90 best quality HD photos carefully selected and set it as wallpaper.

You can choose another one of the best quality photos in the application and renew 4K vertical HD seashell wallpapers on your mobile phone anytime you want.

You can find the most beautiful HD wallpaper photos of all kinds of seashells in our application.

The most beautiful high-quality wallpaper photos are waiting for you to download to your phone.

The seashell hard exoskeleton of marine mollusks such as snails, bivalves, and chitons serves to protect and support their bodies. It is composed largely of calcium carbonate secreted by the mantle, a skinlike tissue in the mollusk’s body wall. Seashells are usually made up of several layers of distinct microstructures that have different mechanical properties. The shell layers are secreted by different parts of the mantle, although incremental growth takes place only at the shell margin. One of the most distinctive microstructures is nacre, or mother-of-pearl, which occurs as an inner layer in the shells of some gastropods and bivalves and in those of the cephalopods Nautilus and Spirula.

Seashells may be univalved (as in snails) or bivalved (as in clams), or they may be composed of a series of plates (as in chitons). They may also be reduced to small internal plates or granules, as in some slugs. In gastropods, bivalves, and shelled cephalopods, the coiled form of the shell approximates an equiangular spiral or variations of it. In some forms, such as the worm shells (family Vermetidae), however, the coiling of the shell is irregular. Shells are frequently ornamented with complex arrangements of spines, folia, ribs, cords, and grooves, which in some species provide protection against predators, give added strength or assist in burrowing. The aperture of gastropod shells is particularly vulnerable to predators and may be protected by complex folds and teeth. Many species use a calcareous or horny operculum (trapdoor) on the foot to seal off the aperture when the foot is withdrawn into the shell. In the cephalopods Nautilus and Spirula, the planospirally coiled shell consists of multiple chambers connected by a porous tube called the siphuncle.

The chambers contain quantities of water and gas that are adjusted by the siphuncle to achieve neutral buoyancy. Many seashells are brightly colored in complicated designs by a variety of pigments secreted by special cells at the edge of the mantle. In some cases, there is an obvious camouflage function, but in most others the significance of the colors is unclear.

Features of 4K vertical HD seashell wallpapers

* High-quality and 4K resolution

* Free

* Easy to Download

* Easy to use

* Available all over the world

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