. Animal biology. Biology; Zoology; Physiology. .Tentacle. Ectoderm Encloderm Mesentery Theca Basal plate Columella Fig. 42. — Coral. A, Skeleton of a young colony of Organ-pipe Coral, Tubipora musica; B, small branch of Red Coral, Corallium riibrum, showing living polyps; C, Sea Pen, Pennatula phosphorea; D, diagrammatic section of a single coral polyp. position of the coral being characteristically different in the numerous species of Coral animals. Certain kinds of Corals, acting through long periods of time, are responsible for building not only atolls and islands but also fringing reefs a
. Animal biology. Biology; Zoology; Physiology. .Tentacle. Ectoderm Encloderm Mesentery Theca Basal plate Columella Fig. 42. — Coral. A, Skeleton of a young colony of Organ-pipe Coral, Tubipora musica; B, small branch of Red Coral, Corallium riibrum, showing living polyps; C, Sea Pen, Pennatula phosphorea; D, diagrammatic section of a single coral polyp. position of the coral being characteristically different in the numerous species of Coral animals. Certain kinds of Corals, acting through long periods of time, are responsible for building not only atolls and islands but also fringing reefs and barrier reefs; the Great Barrier Reef of Australia is over a thousand miles long and fifty broad. (Fig. 42.) From the Hydroid polyps to polyps building coral islands, from the tiny medusae of Obelia to the giant Cyanea^ we gain at least a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Woodruff, Lorande Loss, 1879-1947. New York The Macmillan company
Size: 1439px × 1735px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, books, booksubjectphysiology, booksubjectzoology
