BIOLOGY (ZOOLOGY) Standard XI Untouchability is a sin Untouchability is a crime Untouchability is inhuman TAMIL NADU TEXTBOOK CORPORATION College Road‚ Chennai - 600 006. © Government of Tamilnadu First Edition - 2005 Chairperson Prof. T. SARGUNAM STEPHEN Dept. of Zoology Govt Arts College Nandanam‚ Chennai - 600 035. Reviewers Dr. D. Mony Reader in Zoology R. M. Vivekananda College Mylapore Chennai - 600 004. Dr. D. Sudarsanam Reader and H O D Dept. of Zoology Loyola College
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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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Potential Culture Sites for Green Mussel and Oyster in Metro Manila A Research Paper Presented to Professor Estrella G. Alvarado Mapúa Institute of Technology In partial fulfillment of the requirements in English for Academic Purposes 2 (ENG 11 – B16) Group 10 by Khelly Shan C. Sta. Rita Mark Christian B. Taguiao Nowell Neill D. Teodoro Darren Austin T. Tiu Margaret D. Mallo 18 June 2013 ABSTRACT Green mussel and oyster‚ locally known as tahong and talaba respectively
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observed that in the room temperature 25° treatment‚ D. tigrina had the most reproduction success. Introduction: Dugesia tigrina‚ most commonly known as the Brown Planarian‚ are simple‚ small yet fascinating organisms. D. tigrina are “non-parasitic flatworms that have bilateral symmetry” which means their bodies can be divided into two symmetrical halves (Lobo et al 2012).
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EC3040 Economics of Less Developed Countries Tutorial Topic 6: Health and Development Examine how health issues affect other policy areas and evaluate the options available to governments in LDCs Date: 17th December 2010 Name: Clodagh Mullins Student Number: 08590711 Course: BESS The World Health Organizations (WHO) definition of health is ’Health is a state of complete physical‚ mental and social well-being and not merely the absence of disease or infirmity ’.(WHO website) This implies that
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Campbell’s AP Biology Notes Chapter 48: Nervous Systems Command and Control Center * The human brain contains an estimated 100 billion nerve cells‚ or neurons * Each neuron my communicate with thousands of other neurons * Functional magnetic resonance imaging (fMRI) is a technology that can reconstruct a 3-D map of brain activity * The results of brain imaging and other research methods reveal that groups of neurons function in specialized circuits dedicated to different tasks
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CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System
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Circulatory system From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search This article is about the organ system. For the band‚ see Circulatory System. For transport in plants‚ see Vascular tissue. Circulatory system | | The human circulatory system. Red indicates oxygenated blood‚ blue indicates deoxygenated. | Latin | systema cardiovasculare | The circulatory system is an organ system that passes nutrients (such as amino acids‚ electrolytes and lymph)‚ gases‚ hormones
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Invertebrate Nervous Organization * In simple animals‚ such as sponges‚ the most common observable response is closure of the osculum (central opening) * Hydras (cnidarians) have a nerve net that is composed of neurons * Planarians‚ (flatworms) have a ladderlike nervous system * In annelids (earthworm)‚ arthropods (crab)‚ and molluscs (squid) the nervous system shows further advances * Cephalization - concentration of ganglia and sensory receptors in a head region *
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PROTOZOA Flagellates (e.g.‚ Giardia lamblia) Giardia lives inside the intestines of infected humans or other animals. Individuals become infected through ingesting or coming into contact with contaminated food‚ soil‚ or water. VIRUS PARASITES Flatworms: they have no body cavity‚ and no specialized circulatory and respiratory organs‚ which restricts them to flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion. Roundworms‚ aka. Nematodes: roundworms have tubular
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