Sloths are the six species of medium-sized mammals belonging to the families Megalonychidae and Bradypodidae‚ part of the order Pilosa. They are arboreal residents of the rainforests of Central and South America. The sloth’s taxonomic suborder is Folivora‚ while some call it Phyllophaga. Both names mean "leaf-eaters"; the first is derived from Latin‚ the second from Greek. Names for the animals used by tribes in Ecuador include Ritto‚ Rit and Ridette‚ mostly forms of the word "sleep"‚ "eat" and "dirty"
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The platypus‚ which is a semiaquatic mammal‚ belongs to the family of Ornithorhynchidae (Platypus‚ n.d.b). However‚ the slender-snouted crocodile‚ which is an aquatic reptile‚ comes from the family of Crocodylidae (African slender-snouted crocodile‚ n.d.). They are both vulnerable animals (African slender-snouted crocodile‚ n.d. and Platypus‚ n.d.b) because of human hunting activities. There are plenty of similarities and differences between the platypus and the slender-snouted crocodile in terms
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the dugong‚ (Dugongdugon). Sirenians evolved from four-footed land mammals more than 60 million years ago. The presence of tiny pelvic bones in manatees‚ shaped differently in males and females‚ is evidence of their terrestrial ancestry. The closest modern relatives of the Sirenia are elephants‚ aardvarks‚ and hyraxes‚ small furry mammals that resemble rodents. These animals are large‚ fully aquatic‚ mostly herbivorous marine mammals sometimes known as sea cows. They are varied in color from dull gray
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Phylum Chordata • The chordates occupy the highest position in the food chain. • The name phylum was derived from the characteristic which all chordates share‚ the notochord – a long‚ elongated‚ and flexible cartilaginous structure that runs the entire length of the body. (Gr. noto = the back; chorde = string) Characteristics: • A dorsal nerve cord located above the notochord‚ it runs the entire length of the body. The nerve cord is a bundle of nerve fibers that connects the
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What are the various ways that marine mammals are being killed and how is this killing affecting us? According to the World Wide Fund (WWF)‚ every year about 308000 whales‚ dolphins and porpoises die because of fishing gear like nets (2003). Other than the deliberate killing annually‚ these numbers of marine mammals die because of becoming entangled in nets and at times‚ drowning because of them. This is called ‘bycatch’; when an animal is accidentally caught as some other animal is trying to be
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of its mother’s milk per day‚ putting on as much as 200 pounds (91 kg) every 24 hours. An adult blue whale can eat more than 4 tons (3.6 metric tons) of krill‚ a tiny shrimp-like creature‚ every day. This puts blue whales well above any known land mammal in terms of size. Most people believe that the largest animals to ever exist on Earth were the dinosaurs. However‚ one of the largest land dinosaurs‚ thesauropod Argentinosaurus‚ weighed only about 180‚000 pounds (81‚647 kg). That’s little more than
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Is it ethical to feed live food to exotic pets? Abstract Live food items are often fed to exotic pet species whether they be birds‚ amphibians‚ reptiles or mammals. This raises issues of welfare‚ both of the animals fed live prey items and the prey itself. Concerns over live food welfare are particularly marked in the feeding of vertebrate prey items and evidence presented here shows the prolonged time taken for rodents to die‚ this fuelling these concerns. And yet the welfare of all exotic
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documentary has caused much controversy in regard to holding whales and dolphins in tanks at marine parks. This powerful expose focuses on SeaWorld’s possession of orca whales in an attempt to illustrate the capability of the aggressive nature of these mammals while in captivity. Whales have not only attacked other whales while in captivity‚ but lashed out in aggression on humans as well‚ thus‚ while looking at aggressive behaviors in the wild versus those in captivity‚ there will ultimately be a decision
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that all living things have a common aim which is to reproduce well and as much as possible. Darwinism gives examples by saying that insects‚ worms or jellyfish follows a specific arrangement to achieve their aim. However‚ fish‚ reptiles‚ birds‚ mammals etc. have a less routinized pattern which causes them to use their emotions. When an animal uses his emotions; this just means that a complex system of neurons energies all of a sudden causing an expectable behavior; the animal usually will try
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better you can hear. The frontal operculum is used to speak and process speech‚ the lager it is the more sounds you can produce. The limbic Lobe is used for emotional behavior and memories.Killer Whales are one of the most interesting and smartest mammals in the sea‚ they have been held in captivity since
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