Anth101 T/TH October 22‚2013 Zoo Assignment For the primate observation project I went to the Santa Barbara zoo to observe and contrast different types of primates. I observed one species of an old world monkey‚ which was a gorilla and two different species of new world monkeys‚ which were the Bolivian Grey Titi Monkey and also the Golden Lion Tamerin. The first type of primate I observed was a Bolivian Grey Titi Monkey which is a type of new world monkey species
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TA: Colin Hoag The study of the origin of humans and the journey of our evolution is a diverse and dynamic field that can be approached in many ways. Shirley Strum chose to examine primate behavior with the hope that it would illuminate the challenges early humans may have encountered and the possible solutions and adaptations they experienced in order to survive. In this essay I will outline the central findings as expressed in Strum’s book‚ Almost Human: A Journey into the World of Baboons‚ and
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Characteristics Skull of an Oriental giant squirrel (genusRatufa) - note the classic sciuromorphousshape of the anterior zygomatic region. Squirrels are generally small animals‚ ranging in size from theAfrican pygmy squirrel at 7–10 cm (2.8–3.9 in) in length and just 10 g (0.35 oz) in weight‚ to the Alpine marmot which is 53–73 cm (21–29 in) long and weighs from 5 to 8 kg (11 to 18 lb). Squirrels typically have slender bodies with bushy tails and large eyes. Their fur is generally soft and silky
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That’s not the case with a snail/ protostome. Humans=deuterstomes‚ coelomates‚ triploblasts‚ bilateral symmetry‚ eumetazoa. Cambrian explosion=huge diversity of animal kingdom‚ different locomotion‚ different predator prey relations‚ hox gene evolution and O2 buildup. archenteron=deuterstome cartilege=condrifeus (?) amniotic egg and water-resistant skin=reptile reptiles successful in desert because of slow metabolism‚ ectothermic and scales
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studies. These studies serve the purpose of defining and tracing human nature through evolution and present times. Evolutionary studies address the description of human descent from primates. These studies seek to outline the sequence of changes and mechanisms of action that make up the evolution of humans from primates. The general theory of evolution is used to reconstruct history with facts and evidence from fossils and other remains. Endocrinology is the study of how hormones affect human anatomy
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Lemurs and Lorises Prosimians(Same thing as Stepsirhines): Lemurs‚ Lorises‚ Tarsiers: Most primitive of the primates Exhibit the fewest derived traits (as a group) of all primates Ancestral Characteristics (ie. Inherited from mammals) • Rely more on olfaction • Moist noise and long snout • Eyes slightly more lateral Classification of Prosimians: Lemurs‚ Lorises‚ and Tarsiers Order- primates Suborder: Strepsirhines (used to be Prosimians) • Means “wet-nosed” • Lemurs and Lorises Strepsirhines:
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and more vertical posture; this is supported by information gathered on locomotion. Starting from the monkey Papio anubis on the far left of the table‚ it’s movement is quadruped as it moves on all four limbs. Moving right of the table a transition from quadrupedal to bipedal becomes noticeable as the Pan troglodyte becomes capable of walking on its leg to the human who fully depends on its legs for movement. Part 2: Primate and Hominin Skulls 3. Upon brief examination of images displaying an Australopithecus
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Slow Loris Introduction Slow lorises are a group of five species of strepsirrhine primates‚ which make up the genus Nycticebus. Found in South and Southeast Asia‚ they range from Bangladesh and Northeast India in the west to the Philippines in the east‚ and from the Yunnan province in China in the north to the island of Java in the south. Although many previous classifications recognized fewer species‚ five are now considered valid: the Sunda slow loris (N. coucang)‚ Bengal slow loris (N
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Types of aerial locomotion Animal aerial locomotion can be divided into two categories - powered and unpowered. In unpowered modes of locomotion‚ the animal uses on aerodynamics forces exerted on the body due to wind or falling through the air. In powered flight‚ the animal uses muscular power to generate aerodynamic forces. Animals using unpowered aerial locomotion cannot maintain altitude and speed due to unopposed drag‚ while animals using powered flight can maintain steady‚ level flight as
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size‚ the case of reduced body size in the New World primates is quite unusual. To explain the phenomenon‚ the dwarfing hypothesis has been proposed (Martin‚ 1992). The dwarfing hypothesis implies that there must have been selective pressure that favored a reduction in body size. Phyletic dwarfing is then presumed to be fundamental to the further development of the species ’ characters (Martin‚ 1992). Callitrichids are not the only primates that are thought to have undergone phyletic dwarfing
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