crustaceans of the infraorderBrachyura‚ which typically have a very short projecting "tail" (abdomen)‚ usually entirely hidden under the thorax. They live in all the world ’s oceans‚ in fresh water‚ and on land‚ are generally covered with a thick exoskeleton and have a single pair of claws. Many other animals with similar names – such as hermit crabs‚ king crabs‚ porcelain crabs‚ horseshoe crabs and crab lice – are not true crabs. About 850 species of crab are freshwater‚ terrestrial or semi-terrestrial
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investigating the effects of different chemicals on a metabolic process.Daphnia‚ like many animals‚ are prone to alcohol intoxication‚ and make excellent subjects for studying the effects of the depressant on the nervous system – due to the translucent exoskeleton‚ and the visibly altered heart rate. They are tolerant of being observed live under a cover slip and appear to suffer no harm when returned to
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CHAPTER 1 Introduction Background of the Study Every year‚ the World Health Organization (WHO) estimates that 50-100 million people all over the world fall victim to dengue fever. And every year‚ 20‚000 of these victims end up dead (the Philippine Star‚ 2012). According to the report of the Philippine Association of Entomologists (PAE)‚ the incidence and threat of dengue continue to rise‚ year after year. (Samaniego‚ 2012). This deadly disease is just caused by a single bite of a carrying mosquito
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COLLEGE OF NATURAL RESOURCES Student Handout MODULE: Fundamentals of Plant Protection UNIT: Entomology Year 1 Semester 2 Compiled by: Karma Penjore & Dr. Jamba Gyeltshen August 2009 Updated by Ugyen Yangchen March 2013 CONTENT Introduction to entomology ........................................................................3 A Class of Distinction ................................................................................................ 3 The Dominance of Insects ............
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2002 AL Biology marking scheme Paper 1 Section A Terms with *‚ mark deduction for wrong spelling. Alternatives and correct answers not listed in this document should be accepted.) Marks 1 .1/2 mark for each correct answer Column 1 E earthworm B jellyfish F starfish D clam 2. (2) Concepts for mark allocation • worn-out organelles are enclosed by membrane forming vacuoles (1) worn-out organelles are enclosed by lysosomes (3) • lysosome releases hydrolytic enzymes into the
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Marine National Park in the Gulf of Kutch is situated on the southern shore of the Gulf of Kachchh in the Jamnagar District of Gujarat state‚India. In 1980‚ an area of 270 km2. from Okha to Jodiya was declared Marine Sanctuary. Later‚ in 1982‚ a core area of 110 km2 was declared Marine National Park under the provisions of the Wildlife (protection) Act‚ 1972 of India. It is the first national marine park of India. There are 42 islands on the Jamnagar coast in the Marine National Park‚ most of them
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Sample essays and suggested plans for content 1. The process of diffusion and its importance in living organisms Definition Fick’s Law Types of diffusion e.g. Facilitated diffusion‚ osmosis Gas exchange in unicells‚ fish‚ mammals and plants Digestion and absorption of products Exchange of materials between blood in capillaries and tissues e.g. placenta Transpiration‚ root pressure‚ water and ion uptake by roots Translocation and mass flow hypothesis Osmoregulation by blood and kidney‚ unicells
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“Behaviour of Fish in an Egyptian Tea Garden” by Keith Douglas is about a beautiful woman and her power to seduce‚ manipulate men of any age. The author uses metaphors and similes by comparing the woman “as a white stone” and men as fishes “A cotton magnate/…A crustacean” to show how men’s behavior are like of any other animal species or as predictable as fish. The author keeps the imagery of a large aquatic marine environment to consistently illustrate
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are faced with an insect such as Dynastes Hercules.... ...... It would be fascinating to explore the way that insects have influenced our day to day life. I am also interested in exploring the many patterns and layers of shell on an insects exoskeleton. I would also like to explore the concept of rebirth that
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DUBAI DREAM PALACE Introduction: The process of building a hotel is never easy. Building a hotel like the Burj Al Arab would seem an almost impossible task given the fact that the man behind the whole idea wanted a building that would cross all boundaries be it in terms of luxury‚ size and other factors to become the world’s first 7 star hotel. So what were some of the principles applied when building this magnificent building? Vision Definition - Unusual competence in discernment or perception;
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