AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesTechnology, Industry, AgricultureHealth Care
Calcium CarbonateCarbonatesAnimal ShellsCalcium, DietaryLithium CarbonateAntacidsCalcification, PhysiologicCalcium CitrateCalcium SignalingPinctadaCalcium CompoundsCalcium PhosphatesAluminum HydroxideEgg ShellPhosphorusChemical PrecipitationPhosphorus Metabolism DisordersCalcium GluconateApatitesCalcium ChlorideCalcium ChannelsAnthozoaCalculiLithostathineHyperphosphatemiaLubricationMicroradiographyPhosphatesMineralsOtolithic MembraneParathyroid HormoneMagnesium HydroxideCrystallizationDihydrotachysterolAbsorptionSodium BicarbonatePolyaminesMicroscopy, Electron, ScanningBiological AvailabilityCalciumHypercalcemiaPolyethylenesLanthanumSeawaterConstruction MaterialsHydrogen-Ion ConcentrationNacreStrongylocentrotus purpuratusCalcium IsotopesChelating AgentsMagnesiumPectinidae
CoralsCaCOMantlePolypsLimestoneMollusksHardensStonyCalciteOrganismShellsAlgaeConchiolinOrganismsSnailsStructuresChalkMucusMineralsColoniesMadeInvertebrate animalsSpeciesOrganicTissuePhosphateSubstanceHardChemicalsColonyMagnesiumLiving fossilsFormAquaticSlugsBrachiopodsMarine animalsSupplementsFossilTabletGroupCharacteristicClassJellyfishArthropodsWaterFoodFoundUrchinsNematodesJointsBody
Corals14
  • Cnidaria (/nɪˈdɛəriə, naɪ-/) is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments (predominantly the latter), including jellyfish, hydroids, sea anemone, corals and some of the smallest marine parasites. (wikipedia.org)
  • Polyps make stony corals, the foundation for most coral reefs, by secreting protective skeletons of calcium carbonate, or limestone. (usps.com)
  • Corals in coral reefs, which are made up of animals called polyps that secrete hard external skeletons of calcium carbonate, are living perilously close to their upper temperature limits. (mongabay.com)
  • A key factor newly identified by the Newcastle team is the role of surface mucus secreted by corals. (mongabay.com)
  • Hard corals are made of calcium carbonate and can withstand much damage. (speromagazine.com)
  • Soft corals secrete a sticky substance that holds other organisms together. (speromagazine.com)
  • Acidification makes it much harder for corals to extract calcium carbonate from seawater and secrete it as skeletons. (chinadialogue.net)
  • Corals are small marine animals, which secrete calcium carbonate that forms reefs. (30stades.com)
  • Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. (edu.in)
  • Corals, that are polyps belonging to Phylum Cnidaria, secrete calcium carbonate to form coral reefs. (visualstories.com)
  • Like corals, the bryozoans lived in colonies, with thousands of individual animals living in pinhole sized depressions on the surface of the branching superstructure. (janeaddamstrail.com)
  • The basic structure of many reefs is the build-up of calcium carbonate secreted by corals. (zululand.co.za)
  • Corals are actually animals… marine invertebrates in the phylum Cnidaria, the same phylum that includes jellyfish and anemones. (odysseyearth.org)
  • The reef-building corals can be identified by their stony skeletons made of calcium carbonate. (ufl.edu)
CaCO3
  • Their soft bodies are often enclosed in a hard shell made of calcium carbonate (CaCO 3 ), which functions as an exoskeleton. (fws.gov)
  • Calcium carbonate nanoparticles (CaCO 3 NPs) derived from CO 2 are evaluated in terms of toxicological profile both in vitro (cells) and in vivo (zebrafish). (mykidsleep.com)
  • Fossiliferous limestone is any type of limestone, made mostly of calcium carbonate (CaCO 3) in the form of the minerals calcite or aragonite, that contains an abundance of fossils or fossil traces.The fossils in these rocks may be of macroscopic or microscopic size. (cliniccoding.id)
Mantle6
  • This shell is secreted by a thin sheet of tissue called the mantle, which encloses the internal organs. (fws.gov)
  • Mollusk, 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. (sunempirefoods.com)
  • Shells are excreted from the outer surface of the animal called the mantle and are made up of mostly calcium carbonate. (laelae.com)
  • A mantle that secretes the shell. (depositsmag.com)
  • Mollusk shells are protective structures that are primarily composed of calcium carbonate and are secreted by the mantle, a specialized tissue layer in mollusks. (biotheories.com)
  • The gastropod shell, much like the bivalve shell, is secreted by the mantle. (earthlife.net)
Polyps5
  • Coral reefs are formed over thousands of years mainly by colonies of animals called polyps. (usps.com)
  • Coral polyps also use the energy supplied by their symbiotic algae to produce calcium carbonate , or limestone. (howstuffworks.com)
  • Each soft-bodied polyp-most no thicker than a nickel-secretes a hard outer skeleton of limestone (calcium carbonate) that attaches either to rock or the dead skeletons of other polyps. (rwmansiononpeachtree.com)
  • The phylum contains animals such as jellyfish, sea anemones, and coral polyps. (hindantibiotics.in)
  • They are formed by colonies of tiny coral polyps that secrete calcium carbonate to form a hard, protective skeleton. (gviusa.com)
Limestone4
  • They secrete the limestone from their base, creating a protective skeleton and a hollow chamber called a cup . (howstuffworks.com)
  • Most of the creatures that inhabited the Ordovician sea produced shells of calcium carbonate, and it is the accumulation of these shells, or microscopic fragments of the shells, that produces limestone. (janeaddamstrail.com)
  • Biochemical Limestone: Biochemical limestone are the sedimentary rocks which are formed by locking calcium carbonate into the fossil shells and remaining skeletons formed through marine organism. (cliniccoding.id)
  • Carbonates, such as limestone and dolostone, are formed by chemical and biochemical processes, and siliceous rocks are silica-based rocks formed by silica-secreting organisms. (cliniccoding.id)
Mollusks2
  • Shells are made by some types of mollusks , soft bodied animals such as snails, slugs, mussels, or octopus. (risingtidefl.com)
  • Mollusks are a diverse phylum of invertebrate animals that exhibit a wide range of body symmetries. (biotheories.com)
Hardens1
Stony1
Calcite2
  • Unlike in calcite, the carbonate ions do not lie in a single plane pointing in the same direction. (galleries.com)
  • In Marine snails the calcium carbonate is usually in the form of calcite, whereas in terrestrial species it is normally aragonite. (earthlife.net)
Organism2
Shells7
  • Shells with the animals still living in them can be found in the sea. (factsanddetails.com)
  • Often, these shells are empty because the animal has died or and its soft parts have decomposed or been eaten by another animal. (factsanddetails.com)
  • Despite this a variety of fish, crabs, octopus, stingrays and nudibranch feed on the animals in sea shells and some have very sophisticated methods for killing and extracting them. (factsanddetails.com)
  • They secrete calcium carbonate and conchiolin, substances with which the external protection of the molust is formed, composed of epidermal spicules, plates or shells. (crgsoft.com)
  • Did you know shells are made by the soft bodied animals that live inside them? (risingtidefl.com)
  • Their shells are made from calcium in the water which they make into a glue to add on to the edge of their shell, expanding it a little more with each layer as they grow. (risingtidefl.com)
  • Gastropod shells are comprised of a mixture of calcium carbonate and an organic protein matrix called conchin or conchiolin. (earthlife.net)
Algae1
  • Coralline algae produce calcium carbonate, which cements the coral skeletons together, forming the continuous reef structure. (ufl.edu)
Conchiolin1
Organisms5
  • Most cnidarians prey on organisms ranging in size from plankton to animals several times larger than themselves, but many obtain much of their nutrition from dinoflagellates, and a few are parasites. (wikipedia.org)
  • Buoyancy allowed organisms to grow and reach large sizes because the buoyancy force supported the body weight of these animals. (siyavula.com)
  • Animals with exoskeletons like arthropods (a class of animals including insects, crustaceans and arachnids) transitioned from sea to land long before the vertebrates (organisms with endoskeletons). (siyavula.com)
  • Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past. (absoluteastronomy.com)
  • Pearls are made of calcium carbonate, like most hard objects in the ocean created by organisms. (persephonemagazine.com)
Snails2
  • Molluscs (Phylum Mollusca) The molluscs, or soft-bodied animals The molluscs are also invertebrate The molluscs having (80,000 species) The molluscs include oysters, mussels, slugs, snails, squids and cuttlefishes. (biotheories.com)
  • Nudibranchs are animals in the phylum Mollusca, class Gastropoda - which means, like snails, they are Molluscs and Gastropods. (hindantibiotics.in)
Structures2
  • Cnidarians are distinguished from all other animals by having cnidocytes that fire harpoon-like structures and are usually used mainly to capture prey. (wikipedia.org)
  • The zinc remains to be the seafood, but in fact, it is not a part of his living body, which is composed of the minerals, cells, unlike most of the animals of the structures). (kidpid.com)
Chalk1
Mucus1
  • When aroused, she secretes an aphrodisiac mucus which she uses during sex. (hindantibiotics.in)
Minerals3
Colonies3
  • Built by the colonies of tiny animals found in marine waters, the collection captures the raw beauty of the reefs in the form of textures, vibrant colors and embellishments. (edu.in)
  • Coral reefs are built by colonies of tiny animals found in marine waters that contain few nutrients. (dandiiboru.org)
  • Formed by the calcium carbonate skeletons, the backbone of the reef is built by tiny coral animals that make up large coral colonies. (ufl.edu)
Made5
Invertebrate animals3
  • Jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species). (sunempirefoods.com)
  • Worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. (sunempirefoods.com)
  • Mollusca is a diverse and widespread phylum of invertebrate animals that includes a wide variety of species with different body forms and lifestyles. (biotheories.com)
Species4
  • An invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health. (fws.gov)
  • about 84 percent of all known species of animals fall into this category. (sunempirefoods.com)
  • Cnidaria (or Coelenterata ) is a phylum in the animal kingdom that has almost more than tens of thousands of acquatic species. (visualstories.com)
  • Biodiversity: The Great Barrier Reef is incredibly rich in biodiversity, home to thousands of plant and animal species. (dealincoupons.com)
Organic1
  • These antigens include organic dusts containing bacteria, fungi,4 animal or plant proteins, or low-molecular-weight chemicals. (cdc.gov)
Tissue2
  • This is a flexible connective tissue found in many areas in the bodies of humans and other animals, including the joints between bones, the rib cage, the ear, the nose, the elbow, the knee, the ankle, the bronchial tubes, and the intervertebral discs. (kidzspark.com)
  • The primary tissue of bone, osseous tissue, is a relatively hard and lightweight composite material, formed mostly of calcium phosphate in the chemical arrangement termed calcium hydroxylapatite. (kidzspark.com)
Phosphate2
Substance2
  • Calcium carbonate overdose occurs when someone takes more than the normal or recommended amount of a product containing this substance. (mykidsleep.com)
  • Melatonin is a natural substance secreted by the pineal gland in the brain. (well.ca)
Hard2
  • The group includes the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.A coral "head" is a colony of. (absoluteastronomy.com)
  • Brachiopods are a phylum of marine animals that have hard "valves" on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. (absoluteastronomy.com)
Chemicals2
  • The seafood will continue to absorb the salt and marine chemicals, and to release calcium, causing it to drop even further. (kidpid.com)
  • Materials: Calcium Carbonate This is one reason that some pool operators prefer borate over bicarbonate as the primary pH buffer, and avoid the use of pool chemicals containing calcium. (mykidsleep.com)
Colony1
  • A coral colony consists of thousands of individual coral animals, each similar in appearance to a small sea anemone with its base attached to a calcareous cup. (ufl.edu)
Magnesium1
Living fossils1
  • In fact, monoplacophorans were known as fossils long before they were discovered as living animals, making them textbook examples of living fossils. (depositsmag.com)
Form2
  • Cnidarians form a phylum of animals that are more complex than sponges, about as complex as ctenophores (comb jellies), and less complex than bilaterians, which include almost all other animals. (wikipedia.org)
  • Most formulas supply calcium in the form of calcium carbonate. (mykidsleep.com)
Aquatic1
  • Additionally, some aquatic animals purposely create acidic or alkaline microenvironments that drive specialized physiological functions. (bvsalud.org)
Slugs1
  • However, in terrestrial slugs it is greatly reduced or absent and in sea slugs it is lost before the animal reaches maturity. (earthlife.net)
Brachiopods2
  • Among them, the phosphatic-shelled brachiopods are some of the most common animals in early Cambrian faunas. (elifesciences.org)
  • This period of time was marked by the appearance of several major animal groups alongside molluscs, including arthropods, brachiopods and echinoderms. (depositsmag.com)
Marine animals3
  • Reefs provide habitats for many marine animals and help to protect coastlines from erosion. (speromagazine.com)
  • Feed on ocean floor deposits, small marine animals (eaten whole), larger prey (eaten by extruding stomachs and digesting prey outside body). (whozoo.org)
  • They also support important fisheries, such as those for Antarctic krill, which is used as a food source for fish and other marine animals. (gviusa.com)
Supplements1
Fossil1
  • Graptolites are fossil colonial animals known chiefly from the Upper Cambrian through the Lower Carboniferous. (absoluteastronomy.com)
Tablet1
Group2
  • Eventually, there were some animals that developed a skeletal structure internal to the body, which would become the vertebrate group of animals. (siyavula.com)
  • The animal belongs to a group known as aeolid nudibranchs. (hindantibiotics.in)
Characteristic1
  • Metameric segmentation (that is, having repeated segmentation) is a key characteristic of many animal groups. (depositsmag.com)
Class5
  • Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. (sunempirefoods.com)
  • This class, therefore, gets its name from the Greek words ánthos (flower) and zóa (animals). (visualstories.com)
  • Graptolithina is a class in the animal phylum Hemichordata, the members of which are known as Graptolites. (absoluteastronomy.com)
  • Sea urchins or urchins are small, spiny, globular animals which, with their close kin, such as sand dollars, constitute the class Echinoidea of the echinoderm phylum. (absoluteastronomy.com)
  • Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young. (absoluteastronomy.com)
Jellyfish2
  • Animals with this type of skeleton include jellyfish, octopus and sea anemones. (siyavula.com)
  • Figure 6.1: The animal above is a jellyfish. (siyavula.com)
Arthropods2
  • Essentially it's the repetition of muscles and organs along the body and it is most obvious in the case of animals such as arthropods and polychaete worms. (depositsmag.com)
  • They are also found among protostome animals (those that, during embryonic development, develop the mouth and anus directly from the blastopore) such as annelids and arthropods. (crgsoft.com)
Water8
  • These factors also link directly to the creation of dead zones in which an excessive production of biomass rots in absence of animals to eat it, and uses up most or all of the oxygen in the water. (chinadialogue.net)
  • You can find them washed up on beaches or still in the water after the animal that lived inside them died. (factsanddetails.com)
  • As you will learn in the chapter History of Life on Earth , many of these structural adaptations allowed animals to move from water onto land. (siyavula.com)
  • However, the density of water also provides resistance to movement, and animals had to adapt to ensure that they were able to move efficiently through water. (siyavula.com)
  • One of the biggest problems encountered by animals moving from water to land was the loss of the effect of buoyancy. (siyavula.com)
  • All calcium is not water soluble, nor is it digestible or recognizable by the body, therefore, the body is unable to process it effectively. (mykidsleep.com)
  • Baleen whale - baleen whales are one of the largest animals on earth.they strain huge amounts of water through their teeth to get enough small animals (like krill and zooplankton) to eat. (hindantibiotics.in)
  • Capturing particles from the water is called suspension feeding and it is one of the most ancient forms of feeding by animals. (zululand.co.za)
Food1
  • The sea star digests food using juices secreted from the pyloric ceca. (whozoo.org)
Found1
  • 10] Nudibranchs are benthic animals, found crawling over the substrate. (hindantibiotics.in)
Urchins1
  • Suddenly an abundance of fish of all types and colors appear, along with a variety of other animals and plants, including sea urchins, seagrass, octopuses, and lobsters. (usps.com)
Nematodes2
  • Nematodes are among the most abundant animals on Earth. (sunempirefoods.com)
  • Molluscs generally show no traces of segmentation at all, so the assumption had been that they were most closely related to the unsegmented animals such as nematodes. (depositsmag.com)
Joints1
  • Calcium becomes essentially a toxic mineral, causing narrowing of the arteries and calcium deposits in the joints, arteries, kidneys, brain and elsewhere. (mykidsleep.com)
Body2
  • In order to counter this, animals needed to develop strong limbs and had to adapt the skeleton to support their body weight on land. (siyavula.com)
  • The findings are compared to David Wolfe's theory of bad calcium and the dangers of toxic calcium in the body. (mykidsleep.com)