Manatees

Chris Chapman Dr. K ben Keane-Hines Anatomy &Physiology II MANATEE Long ago manatees were mis puddlen for mermaids or sirens-luring sailors to their deaths on rocky shores. So the baseball club of these marine mammals has been named, Sirenia. in that respect atomic number 18 five species: Amazonian, West Afri can, and West Indian with devil sub-species the Florida and Antillian Manatee. entirely support front flippers and a solid, flat, paddle molded tail. An new(prenominal) tie in species, the Dugong, has a fluked tail. One species, the Stellar’s Sea Cow, was capture to extinction in 1768- exclusively 27 eld subsequently it was discovered. It was the largest and the substantial manatee species to lie in in sub-Arctic waters. They originated near 45-50 one thousand million years ago and their closest living relatives ar the elephant, aardvark and hyrax-a gopher sized mammal. They use their short snouts homogeneous an elephant ashes and the ir flippers confine toe nails very similar to elephant toes, ( nevertheless the Amazonian). The just males change by reversal to 9.8 ft dour and weighs in at 800-1200 lbs and can live up to 60 years. Their skin is thick and roughly hairless, except for their very short walrus like whiskers. Manatees progress to numerous unique anatomical characteristics.

A large with sloths they are the only mammals with 6 cervical vertebra--to look around they must countermand their whole body! They have no hind limbs and only a vestigial pair of tiny pelvic get up that function only as attachment sights for muscles. Unlik e some other mammals with hollow bones that! produce marrow and RBC’s, manatees have a dense and relatively heavy skeleton-their ribs and all long bones are solid to help them sink to the class to assist in eating. Marrow production is mostly pendent to the centra (bodies) of the vertebrae and possibly the sternum. The dentition of manatees is unique, even for herbivores. Their only teeth are the marching molars-that is they are replaced horizontally instead of vertically, (like elephants) and this process is continuous...If you take to get a full essay, order it on our website: BestEssayCheap.com

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