Spicules

... calcium for producing eggshell, and have no biomechanical function. Bird medullary tissue is a very brittle and fragile type of bone that the spicules of medullary bone easily separated from the originating layer, but why the thin basal layer remains attached to the cortex? Did it have any ...

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... of the type of parastism they engage in. What mechanism do sponges adapt to protect itself from suspecting predators? Sponges use silicious spicules as a physical defense mechanism and secondary metabolites as chemical defense. By which means do Cnidarians seize and consumer faster organisms? ...

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... asexually, im really not sure... The body forms of the sponge that are on display are the epidermis (pinacoycte), ostium, osculum, and the spicules. is this statement true?

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... or TW183 http://www.papakyriazis.gr/twiny/TWINYHTML/pages/TW183.html Next: Spicules Small, hard bodies of silica or calcium carbonate that serve as the skeletal elements in sponges. Nudibranch Shell-less marine snails. "Sponges ...

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