The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 183
... Body wall and body cavity . The body wall ( epidermis ) contains hairlike projections ( cilia ) in most echinoderms except ophiuroids ; the body wall of crinoids has relatively few . The cilia , capable of producing a waving motion ...
... Body wall and body cavity . The body wall ( epidermis ) contains hairlike projections ( cilia ) in most echinoderms except ophiuroids ; the body wall of crinoids has relatively few . The cilia , capable of producing a waving motion ...
Page 185
... body . + Class Stylophora With unique single feeding arm formerly misinterpreted as a stem . + Class Homostelea With no feeding arm , but with stem composed essentially of 2 series of plates . + Class Homoiostelea With a feeding arm and ...
... body . + Class Stylophora With unique single feeding arm formerly misinterpreted as a stem . + Class Homostelea With no feeding arm , but with stem composed essentially of 2 series of plates . + Class Homoiostelea With a feeding arm and ...
Page 538
... body to another . If the bodies are initially electrically neutral , they acquire equal and opposite charges and attract each other . As the two bodies are pulled apart , the work done against the attractive force increases their ...
... body to another . If the bodies are initially electrically neutral , they acquire equal and opposite charges and attract each other . As the two bodies are pulled apart , the work done against the attractive force increases their ...
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