PPT-Human Evolution, Excretion and Digestion

Chapters 34 41 and 44 Go back We fked everything up Humans and Apes Homo sapiens characteristics Bipedal Larger brains Language Symbolic thought Artistic expression Use complex tools. Adapted from https. ://sites.google.com/site/highlandhsp3m/unit-1-what-makes-us-human. What does being human mean to you?. What distinguishes humans from animals?. Take a moment an think. REALLY think.. Variation in Living Things. SPECIES  - Group of organisms that interbreed. VARIATION - small differences between individuals of a species  . Some neither helpful nor harmful  . Some enable organism to be better suited to its environment.. Assessment Statements. Outline. . the method for dating rocks and fossils using radioisotopes, with references to . 14. C and . 40. K.. Define half-life. Deduce the approximate age of materials based on a simple decay curve for a radioisotope.. EXCRETION. INTEGRATED SCIENCE. 11DM. DEFINITION. Excretion is the release of metabolic waste substances from the body.. Metabolic waste are ingested substances that have been changed by the body (during chemical reactions) before it is released. . Regulates water, pH and ion balance . Kidneys present in all vertebrates, but exchanges can occur at gills, skin, liver, and specialized salt glands. . Urinary system. Development is again used for comparisons among our different vertebrates. Introduction – Human . Evolution. Mosaic Evolution: . ________________________. With respect to human evolution:. . _____________________. Developed at varying times along our evolutionary history . The digestive system is used for breaking down food into nutrients . which then pass into the circulatory system and are taken to where they are needed in the body.. Introduction. There . are four stages to food digestion:. Part 1: From ape-like ancestors to modern humans. Part 2: What makes us human? Evolution and adaptation in modern humans. How do scientists study human evolution? . HYPOTHESIS. Prediction. Observation. Human skeletal changes due to . bipedalism. Bipedalism. occurred approximately 4 . mya. .. This has led to . morphological. alterations to the . human skeleton. including changes to the arrangement and size of the bones of the foot, . . PMR 04. Chapter 3: Excretion. Excretory organ. Concept of excretion. Test . A. B. C. D. E. F. G. H. I. A. B. C. Human excretory materials. water,. which is a product of cellular respiration and excess water absorbed from food in the large intestine.. A . girl looks through the replica of a . neanderthal. skull displayed in the new Neanderthal Museum in the northern town of . Krapina. , February 25, 2010. The high-tech, multimedia museum, with exhibitions depicting the evolution from 'Big Bang' to present day. . 8). Department of Pharmacology and . Toxicology. . University of Al-. Mustansiriyah. 2018-2019. Absorption. :. Defined as the passage of a drug from its site of administration into the plasma. Therefore, it is important for all routes of administration, except intravenous injection. F. Boué, Maja Napieraj, A. Brûlet . (Lab Léon Brillouin). E. Lutton, A. Boire . (INRAE-MIA Paris, BIA-Nantes). F. Jamme , J. Perez, . T. . Bizien . (SOLEIL) . M. . Ströbl. . (Paul Scherrer . Inst. Mike Riddle. m.riddle@verizon.net. www.train2equip.com. www.icr.org. Topics. A history of apemen – the track record. Two case studies. Neandertals. Australopithecines and Lucy. How evolution hinders critical thinking.