Beginners' zoology . The Sea Anemone, like the coralpolyp, lives in the sea, but likethe fresh-water hydra, it depositsno limy support for its body. Theanemone is much larger than the hydra andmost coralpolyps,many spe-cies at-taining aheight of severalinches. Itdocs notform colo-nies. When its arms are drawn in,it looks like a large knob of shiny but opaque jelly. Polypsused to be called zoophytes {plant-animals), because oftheir flower-like appearance (Figs. 50, 51). Fig. 49. — Upright cutthrough coral polyp X 4. ms, mouth; ?«n, gullet; Is,/s, fleshy partitions (mesen-teries) extending from
Beginners' zoology . The Sea Anemone, like the coralpolyp, lives in the sea, but likethe fresh-water hydra, it depositsno limy support for its body. Theanemone is much larger than the hydra andmost coralpolyps,many spe-cies at-taining aheight of severalinches. Itdocs notform colo-nies. When its arms are drawn in,it looks like a large knob of shiny but opaque jelly. Polypsused to be called zoophytes {plant-animals), because oftheir flower-like appearance (Figs. 50, 51). Fig. 49. — Upright cutthrough coral polyp X 4. ms, mouth; ?«n, gullet; Is,/s, fleshy partitions (mesen-teries) extending from outerbody wall to gullet (to in-crease absorbing surface);s, s, shorter partitions; mi,fb, stony support (of lime,called coral); i, tentacles. Fig. 50. —Sea Fiii. 51. — m:a Ankmonks. CHAPTER V
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1921
