Mammals are different from birds in all these characteristics EXCEPT Answer: constant body temperature. The four defining characteristics of chordates are Answer: pharyngeal pouches‚ a dorsal nerve cord‚ a notochord‚ and a postanal tail. Which feature is found in the bony fish but not in the cartilaginous fish? Answer: swim bladder Which of the following groups are considered chordates but are lacking the vertebral column trait? Answer: urochordata & cephalochordates Predacious meat eaters with large
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differences between the two main species; two-toed and three-toed sloths. According to National Geographic‚ sloths are the world’s slowest mammal. This is due to the low percentage of muscle mass in their bodies. They can be identified by the number of long claws on their front feet. All sloth’s have the same amount of claws on their rear feet. Sloths are arboreal mammals that live in Central and South America. They prefer to live only
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Manatee‚ common name for each of three species of a large water mammal‚ popularly called a sea cow because it grazes on marine grasses and other water plants. The Amazonian manatee ranges throughout the Amazon River basin in South America; the West African manatee occurs in rivers and coastal waters of tropical West Africa; and the West Indian‚ or Caribbean‚ manatee is found in rivers and coastal waters from the southeastern United States and the Gulf of Mexico to the Caribbean Sea and northeastern
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The Nine-Banded Armadillo! Armadillos have one of the highest rates of expansion being 10 times the active rate of a mammal. I think this is because they came from Mexico and the Southern Americas to America and since they do not have much meat on them‚ they are able to not be hunted. Also Armadillos had this invasion because of the large rivers and hunters in southern America. The armadillos also moved because of the humans invading them in Texas when Humans would start fires in the prairie grass
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recent” lasted around 65 million years ago. Marked by demise of dinosaurs‚ as well as existence of pre-primates like femur. 2. Eocene-lasted 30-45 million years ago. It is marked by warm tropical climates‚ along with the appearance of the order of mammals and prosimian-like primates. Anthropoids appreared during this period. 3. Oligocene-lasted around 30 million
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Apart from the obvious difference in color‚ the bears’ dietary preferences present the greatest contrast between them. The Alaskan brown bears are omnivores; they eat virtually anything. They delight in ground squirrels‚ mice‚ and other small mammals but are adept at killing and consuming any land animal in their range. Browns also possess excellent fishing skills. When live prey is in short supply‚ they can subsist on nearly any vegetation or even carrion. Polar bears are nearly one hundred
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Dense moist deciduous forest mainly consists of sal‚ haldu‚ pipal‚ rohini and mango trees‚ and these trees cover almost 73 per cent of the park. The 10 per cent of the area consists of grasslands. It houses around 110 tree species‚ 50 species of mammals‚ 580 bird species and 25 reptile species. The park is located between 29°25’ to 29°39’N latitude and 78°44’ to 79°07’E longitude.[8] The average altitude of the region ranges between 360 m (1‚181 ft) and 1‚040 m (3‚412 ft).[3] It has numerous
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Animal Testing As citizens of the United States we are entitled to our civil rights. They include our basic needs for living a happy and safe life. Animals however are not entitled to any rights to ensure them safety‚ good health‚ and proper living conditions. Animal testing laboratories torture and kill innocent animals daily. The laboratories smell of chemicals and bleach‚ and the cages are dirty‚ and not properly kept. The horrible smells fill their nostrils and they are forced to walk in their
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(Quaternary extinction events) explains why the megafaunal extinctions occurred within a relatively short period of time. This can be traced with human migration. The most convincing evidence of this theory is that 80% of the North American large mammal species disappeared within 1000 years of the arrival of humans on the western hemisphere continents.[7] The fastest ever recorded extinction of megafauna occurred in New Zealand‚ where by 1500 AD‚ just 200 years after settling the islands‚ ten species
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staple food on everyone’s table in the morning is maple syrup. Maple syrup is technically trees blood‚ and Canadians survive on trees blood‚ instead of drinking animal or human blood like many classic tales tell. Vampires do not have to survive on mammal blood‚ but many movies portray vampires this way to make them more gruesome and appealing to audiences in some weird fashion. Canadians do not eat maple syrup everyday‚ but so long as Canadians get a good dose of it once per year‚ or a few times throughout
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