outline about echinoderms, birds, and mammals !!!! Echinoderms, Birds, and Mammals Chapters: 34, 39, 40 I.         Diversity- Echinodermata (Spiny-Skin)         A.         Characteristics                 1.         undergo metamorphosis from free- swimming larva to croup dwelling adult. five radii(pentaradial symmetry)                 2.         endoskeleton, calcium plates, take on protruding spines                 3.         water- vascular system (water- filled canals)                 4.         tube feet, incite in survivement, feeding, respiration, and excretion                 5.         no circulatory, respiratory or excretory systems                 6.         nervous system, but no head or brainpower                 7.         two sexes, reproduce sexually or asexually         B.         evolution and Classification                 1.         500 million years ago in Cambrian period                 2.         6,000 species into five classes                         a.         Crinoidea (Lily- Like)                                 (1)         sessile, long fore devoted to ocean bottom or rock                                 (2)         babble out doesnt face sea bottom                                 (3)         five arms take off into more arms, up to cc in some feather- headliner species  !                                (4)         sticky tube feet, at end of each arm, becharm fare and respire                         b.         Asteroidea (Star- Like)                                 (1)         sea stars, starfish                                 (2)         stone pit on oysters, clams, other organisms used as nourishment for universe                         c.
        Ophiuroidea (Snake- Like)                                 (1)         basket stars and brittle stars                                 (2)         largest echinoderm Class                                 (3)         long sign up arms, move quickly                                 (4)         feed by raking in feed with arms, tube feet, detain food with tube feet or mucous secretion between spines                         d.         class Echinoidea (Hedgehog- like)                                 (1)         endoskeleton called test                     Â!            (2)         grind food with jaw- like Aristotles Lantern                                 (3)         tube feet for motion, teeth- like structures for feeding                                 (4)         spitefulness for safeguard                         e.         Holothuroidea         ... If you want to get a full essay, tramp it on our website: BestEssayCheap.com
If you want to get a full essay, visit our page: cheap essay
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.