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Monday, July 1, 2013

Outline about echinoderms, birds, and mammals

outline about echinoderms, birds, and mammals !!!! Echinoderms, Birds, and Mammals Chapters: 34, 39, 40 I.         Diversity- Echinodermata (Spiny-Skin)         A.         Characteristics                  1.          support metamorphosis from free- swimming larva to rear dwelling adult. five radii(pentaradial symmetry)                  2.         endoskeleton, calcium plates, include protruding spines                  3.         water- vascular system (water- filled canals)                  4.          vacuum tube feet, aid in survivement, feeding, respiration, and excretion                  5.         no circulatory, respiratory or excretory systems                  6.         nervous system, but no head or brain                  7.          both sexes, reproduce sexually or asexually         B.         Evolution and Classification                  1.         500 meg years ago in Cambrian period                  2.         6,000 species into five curriculumes                           a.         class Crinoidea (Lily- Like)                                    (1)         sessile, long stalk give to ocean bottom or rock                                    (2)         mouth doesnt face sea bottom                                    (3)         five arms part into more arms, up to cc in some feather- head teacher species                                    (4)         sticky tube feet, at end of each arm, usurp fare and respire                           b.         Asteroidea (Star- Like)                                    (1)         sea stars, starfish                                    (2)         prey on oysters, clams, new(prenominal) organisms used as aliment for humans                           c.
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        Ophiuroidea (Snake- Like)                                    (1)         basket stars and toffee stars                                    (2)         largest echinoderm Class                                    (3)         long narrow arms, carry quickly                                    (4)         feed by raking in provender with arms, tube feet, limit food with tube feet or mucus between spines                           d.         class Echinoidea (Hedgehog- equal)                                    (1)         endoskeleton called test                                    (2)         grind food with jaw- like Aristotles Lantern                                    (3)         tube feet for motion, teeth- like structures for feeding                                    (4)          spitefulness for protection                           e.         Holothuroidea          ... If you want to bug out a full essay, hunting lodge it on our website: Orderessay

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