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Bio 1442 Notes for exam 3

by: Kristin O'Flaherty

Bio 1442 Notes for exam 3 BIOL 1442

Kristin O'Flaherty
GPA 3.0

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About this Document

Friday 4/8/2016 notes and stuff Roelke said about the test along with 2 answers to the test
Evolution and Ecology
Dr. Roelke
Class Notes
biology; evolution and ecology; roelke; uta; university of texas at arlington; bio 1442
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This 2 page Class Notes was uploaded by Kristin O'Flaherty on Friday April 8, 2016. The Class Notes belongs to BIOL 1442 at University of Texas at Arlington taught by Dr. Roelke in Winter 2016. Since its upload, it has received 76 views. For similar materials see Evolution and Ecology in Biology at University of Texas at Arlington.


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Date Created: 04/08/16
Week 3 Bio notes for exam 3 4/8  Monotremes are a small group of mammals that lay eggs  Marsupials include opossums kangaroos and koalas  Born very early in development  Marsupium opens backwards on some species like a bandicoot  Eutherians have a more complex placenta  Apes have a large brain and short jaws  forward­looking eyes close together on the face, providing depth perception  Complex social behavior and parental care  A fully opposable thumb (in monkeys and apes)  3 main groups o Lemurs  ANSWER TO A TEST QUESTION: Lemurs are a great example of adaptive  radiation  Oldest known anthropoid fossils, about 45 million years old, indicate that tarsiers are  more closely related to anthropoids than to lemurs  New world monkey fossils showed up about 25 million years ago  Humans are about 200,000 years old which is very young considering that life has existed on Earth for at least 3.5 billion years  Characteristics distinguish humans o Upright posture and bipedal locomotion o Larger brains capable of language, symbolic thought, artistic expression, the  manufacture and use of complex tools o Reduced jawbones and jaw muscles o Shorter digestive tract  Human and chimpanzee genomes are 99% identical  Study of human origins: paleoanthropology  Hominins are more closely related to humans than to chimpanzee  Paleoanthropologists have discovered fossils of about 20 species of extinct species  Hominins began to walk long distances about 1.9 million years ago STUFF ROELKE SAID ABOUT THE TEST  Know the basic big characteristics of the groups  Think about the things that are distinctive  Given a Random organism and asked about the distinctive characteristic (how do  you know this is organism X): has a true seelam (not entirely sure how to spell it)  No question on fungal taxonomy  Are some general questions about fungus: similarities between fungus and other species


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