skull features suggest that the Thylacoleonids were derived from the lineage that contains Wombats and Koalas‚ the Vombatiform line. Diprotodon At 3.8 metres long and 1.7 metres tall at the shoulder‚ the Diprotodon was the largest Australian marsupial known. The sub family Diprotodontinae which included the Diprotodon Optatum‚ lived between 5.3 million years ago to 11‚700 years ago. The Diprotodon may have evolved from the Plicene Diprotodontine Euryzygma throughout the late Pliocene. Much like
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cylindrical capillary networks. These findings and the structure of the rest of the masticatory apparatus suggest the lingual papillae of opossum have kept their ancestral carnivorous features but also developed the herbivore characteristics of other marsupials. This muscular organ is vital for jump-starting the digestive process by guiding and molding food as well as perceiving its taste and texture‚ shaping the mouth to create speech and‚ of course‚ kissing. But what is this unusual muscle? And how
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Earth can be determined by taking a close look at life of each continent. Home to marsupials‚ monkeys and the world’s largest rainforest‚ South America is the continent with everything - from glaciers to deserts. It became a continent in its own right on breaking away from Africa and Antarctica 120 million years ago. Its fauna and flora are therefore descended from organisms either on the continent then (marsupials‚ for instance) or that managed to make their way there during its isolation. The Amazon
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Jan. 24th • No one sit in last 3 rows of seats • Drop-‐in 2me – cancelled next Wed. Jan. 29th • Will have on Thurs. Jan. 30th 10-‐11:30 am • Quiz 3 – Natural SelecAon • Ch. 3: 3.3‚ 3.4‚ 3.5; Ch. 4: 4.2 • Simbio – will receive registraAon email • Midterm 1 – 2 weeks
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Blacks Are More Than Just Oppressed Ray John De Leon Dr. Joseph US History 2313 11 April 2013 In Harriet Jacobs’s narrative‚ Incident in the Life of a Slave Girl‚ she gives realistic and truthful descriptions of life as a slave. Although not all blacks in the South were slaves‚ they were still oppressed in many ways such as with discrimination and lacking certain freedoms. Of course‚ situations concerning the daily life of blacks in the south‚ enslaved or free‚ varied in different areas due
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TOPIC: Why is a decline of large carnivores important? - The roles of large carnivores in the ecosystems They make population of herbivores smaller and thus preserve balance of plants and they also turn grass lands into tundra. They disrupt natural balance of other animals and their natural habitat. That why humans kill them - Positive and negative impacts on the presence and the absence of large carnivores‚ respectively Positive impact on the presence is that they keep plants balance
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ANIMAL BEHAVIOR Animal behavior: what an animal does when interacting with its environment A lot of animal’s behaviors are genetically predetermined - Ethology Study of animal behavior Didn’t exist - People Karl von Frisch Applied scientific method to study bees Figured out how bees tell other bees Konrad Lorenz and Niko Tinbergen Scandinavian Their research helped to show that some behaviors have genetic bases Nobel prize - Evolution Underlays all behavior Behaviors enhance
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is used to keep the animal’s body temperature constantly warm by removing itself from the cold environment Behavioural Your skin often looks quite flushed on a hot day This is due to the vasodilation of arterioles Physiological Many Australian marsupials salivate and lick their fur on hot days Saliva is used as a way to cool down‚ much like sweating Behavioural Whales have a thick layer of blubber under skin This layer provides insulation from the cold water Structural You tend to feel cooler
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Shannon L. Alder wisely declared that “One of the greatest regrets in life is being what others would want you to be‚ rather than being yourself.” This implies that every single person is talented in various ways own way. Do not conform to the standards of other people‚ because you are not them. This will force you to act a certain way‚ dress a certain way‚ think a certain way. Now‚ wouldn’t it be easier to just be yourself. If you in fact do fit the standards of other people while you act they way
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EXTERNAL ANATOMY OF GNATHOSTOMES A. CLASS CHONDRICHTHYES: Scoliodon palasorrah (DOGFISH) -class of cartilaginous or elasmobranch -cartilaginous skeleton -exposed gill slits 2 common species for lab dissection: * Squalus acanthias –Atlantic spiny dog * Squalus suckleyi – Pacific spiny dog PARTS: 1. Body and skin * Body‚ SPINDLE SHAPE‚ advantageous for free- swimming animals * Body‚ pointed at each other a. TRUNK AND TAIL – provide fins for locomotion b
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