Sentences with phrase «calcified skeleton»

Venturing still deeper into the Maya underworld, the trail ends high in the rock face (only accessible by ladder) where the calcified skeleton known as the Crystal Maiden, but now assumed to be a young male, is located.

For hungry fish, corals make a difficult meal: venomous, coated with mucus and embedded in a razor - sharp, calcified skeleton.

This cave showcases a cave system featuring huge caverns and ceremonial chambers containing artifacts and calcified skeletons.

Not exact matches

Most studies have concluded that sea animals with calcified shells or skeletons, such as starfish, will suffer as carbon dioxide from burning fossil fuels dissolves in the sea, making the water more acidic and destroying the calcium carbonate on which the creatures depend.

Their skeletons, made of cartilage, lack the calcified growth rings of hard - boned vertebrates.

This process, termed ocean acidification, makes it energetically more costly for calcifying organisms to form their calcareous shells and skeletons.

Many calcifying organisms such as corals, mussels or snails will find it more and more difficult to build their shells and skeletons.

Exactly these elements are needed by calcifying organisms — plankton, mussels, snails, crabs or corals — to build their shells and skeletons.

Since you state that a decrease in net calcification could result from a decrease in gross calcification, an increase in dissolution rates, or both, you distinguish between these responses and get to the conclusion that the impact of ocean acidification on a creature's net calcification may be largely controlled by the status of its protective organic cover and that the net slowdown in skeletal growth under increased CO2 occurs not because these organisms are unable to calcify, but rather because their unprotected skeleton is dissolving faster.

At 6 weeks of pregnancy, the fetal skeletons begin to become calcified and pregnancy can be confirmed by means of radiographs (x-rays) after this time.

Along the way, you'll marvel at all the Maya artifacts, including pottery, beads, and obsidian knives — even human skeletons that have been calcified in the limestone floor dating back 2,000 years.

One skeleton, known as «The Crystal Maiden,» is the calcified bones of a teenage girl, giving the skeleton a sparkling appearance.

«More acidic waters make it difficult for corals and other calcifying organisms, such as animals with shells, to form their skeletons, which are ultimately responsible for building the physical structure of the reef,» says Australian Institute of Marine Science research scientist, Dr Janice Lough.»

Calcite - A calcium carbonate (limestone) mineral, used by shell - or skeleton - forming, calcifying organisms such as foraminifera, some macroalgae, lobsters, crabs, sea urchins and starfish.

This hinders the ability of organisms such as molluscs, sea urchins, coralline algae and cold - water corals to produce their calcified shells and skeletons, affecting their survival.

Aragonite - A calcium carbonate (limestone) mineral, used by shell - or skeleton - forming, calcifying organisms such as corals (warm - and coldwater corals), some macroalgae, pteropods (marine snails) and non-pteropod molluscs such as bivalves (e.g., clams, oysters), cephalopods (e.g., squids, octopuses).

The above quote from it references a 2007 study, «Climate - related increases in jellyfish frequency suggest a more gelatinous future for the North Sea,» that points out acidification will «severely affect calcifying plankton and other skeleton - forming organisms, so would potentially favor noncalcifying organisms such as jellyfish.»