Theories: unifying explanations of the natural world Proximate questions: deal with mechanisms. Don’t always need evolutionary explanations Ultimate questions: concerned with evolutionary origins and functions Induction: inference of general law from observations Hypothesis: possible explanation for observation Carolus Linnaeus: binomial nomenclature Nomenclature: system of rules for naming things Taxonomy: naming and classifying organisms Systematics: theory and practice of classifying organisms
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BIO UNIT 1 STUDY NOTES History of Classification Aristotle (384-322 BC) -greek philosopher -classified living things in 2 kingdoms (ANIMALS AND PLANTS) -Plants = herbs‚ shrubs & trees -Animals= those of sea‚ air and land -lasted 2000 years Theophrastus (372-287 BC) - “Father of Botany” - 2 botanical works Andrea Cesalpino (1519-1603) - Italian physician - created 1st new system of classifying plants - classified plants on the basis of the structure of their fruits and seeds John Ray
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HAT Task 1 Kitsap County is located on the Kitsap Peninsula of Washington State’s northwest region. Just east of Seattle‚ the county is surrounded on three sides by the Puget Sound‚ a large inlet of salt water that enters the region through the Straits of Juan De Fuca. There are multiple modes of transportation used to access the region including ferryboats‚ bridges and highways. Kitsap County is known for its beauty in scenery. Population and Economics: The population
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Subsequently‚ in Canada‚ electron microscopic examination found viral particles with structures suggestive of metapneumovirus (a subtype of paramyxovirus) in respiratory secretions. Chinese researchers also reported that a chlamydia-like disease may be behind SARS. The Pasteur Institute in Paris identified coronavirus in samples taken from six patients. The CDC‚ however‚ noted viral particles in affected tissue (finding a virus in tissue rather than secretions suggests that
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Infertility‚ I.V.F. and other Assisted Reproductive Technologies A look into the main reasons for infertility‚ how procedures evolving from recent scientific breakthroughs can combat this problem and an insight into the ethics surrounding this issue of ARTs. Since the live birth of Louise Joy Brown (the first successful ’test-tube’ baby) in 1978; we have heard massive praise‚ accompanied by huge controversy about the use of In-Vitro Fertilization (IVF) and other methods of technology-assisted
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Marketing Project -1 (Group 11) Item: Moods Condoms Brand: Moods Type: Dotted Line: Male Condoms Product Class: Contraceptive Product Family: HealthCare Need: Birth Control‚ Protection from Sexually transmitted diseases. Manufacturer: HLL LifeCare Limited. Motivation Condom is a barrier devices used to prevent pregnancy. It is one of the contraceptive measures which was introduced as a preventive measure to control birth. In addition to this‚ we live in an age where threat of fatal
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jipmerJIPMER 2001 1)Vocalis Muscle is a part of a)Thyroarytenoid b)Cricoarytenoid c)Transverse arytenoid d)Posterior cricoarytenoid 2)Sumatriptan is contraindicated in a)Asthma b)DM c)Coronary artery disease d)peripheral vascular disease 3)Non granular fungal disease is a)Cryptococcus b)Blastomycosis c)Candida d) 4)All following are true of seminiferous tubules except a)Sertoli cells b)Leydig cells c)spermatid d)Spermatogonia 5)Sub-poena is a a)Legal b)medicolegal c)Medical
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BASIC ORGANIZATION OF THE HUMAN BODY ANATOMY & PHYSIOLOGY Table of Contents Introduction Chapter 1..............................................Cardiovascular System (Circulatory) Chapter 2..............................................Lymphatic System (Circulatory) Chapter 3..............................................Respiratory System Chapter 4..............................................Digestive System Chapter 5...................................
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Hansen’s disease‚ which is also known as leprosy‚ is a chronic infectious disease caused by the bacteria mycobacterium leprae. Before the germ was discovered‚ the bible discussed leprosy and it was believed to be a condition brought to those who were sinful. The leprosy discussed in the bible is a completely different condition from the modern day disease of leprosy. In the bible‚ leprosy represented a social affliction connected to various skin conditions and mildewing fabrics. Those who had leprosy
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Answer: Ribosomes 3. Give examples of bacteria classified as Archeabacteria and Eubacteria. Answer: Archeabacteria: Methanogens – “methane makers”; Extreme halophiles – “salt lovers”; Extreme thermophiles – “heat lovers” Eubacteria: spirochetes; chlamydias; proteobacteria; Gram-positive bacteria; cyanobacteria 4. What method do prokaryotic cells use to reproduce and what is the end result? Answer: Asexual‚ Results in two genetically identical daughter cells 5. What is a plasmid? Answer: Self-replicating
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