On the computer, select your Apple iPhone 5s. You can synchronize your Apple iPhone 5s with your computer for access to all your music, videos and pictures.. Click Sync Music, then select the option you require. You can synchronize your Apple iPhone 5s with your computer for access to all your music, videos and pictures. Last Updated:11/10/2013.
Noun. 1. Echinodermata-radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers. phylum Echinodermata. animal kingdom, Animalia, kingdom Animalia-taxonomic kingdom comprising all living or extinct animals.
Skeletal Composition. Echinodermata means spiny skinned.. Surprisingly, the external spines are composed of the same material as the internal skeleton. Calcium carbonate and protein form the rigid inner skeleton, or ossicles, of echinoderms.The exoskeleton is composed of soft, spongelike micro-structures called stereom.he uniform symmetry of echinoderms sets the creatures off from other marine life. All echinoderms are pentameral -- they have limbs in multiples of five. This trait is easily recognizable in starfish and brittle stars with only five limbs.