Sentence examples for calcareous skeleton from inspiring English sources

Massive lobed calcareous skeleton.

This makes it vastly harder for organisms to lay down a calcareous skeleton.

Some hydrozoans, such as the sting-laden and misnamed fire corals for example, deposit a calcareous skeleton as they grow.

The alcyonarian Tubipora is known as the organ-pipe coral after the form of its red calcareous skeleton.

Specifically, the larvae from both species produced with fresh and cryopreserved sperm created their septa properly, laid down their calcareous skeleton similarly and absorbed Symbiodinium (Fig. 4).

In the common reef-building corals, the calcareous skeleton is secreted by a part of the epidermis that forms a basal disk.

Colonial forms producing massive calcareous skeletons.

At a cellular level, they can shield their vulnerable calcareous skeletons from overly acidic water.

Corals can make their calcareous skeletons only within a special range of temperature and acidity of the surrounding seawater.

Coral reef, ridge or hummock formed in shallow ocean areas by algae and the calcareous skeletons of certain coelenterates, of which coral polyps are the most important.

The hard parts preserved include the calcareous or chitinous shells of the brachiopods, cephalopods, pelecypods, and gastropods, the jointed exoskeletons of such arthropods as trilobites, and the calcareous skeletons of frame-building corals and bryozoans.