Chapter 1 INTRODUCTION 1.1 Background of study Macrobrachium rosernbergii‚ also known as the giant river prawn is much known as a species in the Southern and Southeastern Asia‚ Western Pacific Island and Northern Oceania. This species lives inland of the freshwater areas during adult stage while the larvae needs brackish water and usually found in estuaries (Galitzine and Morgan‚ 2009). This species of prawn is a tropical living animal which needs warmer temperatures more than 18°C for growth
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high water salt level to the low water level and to the Hadalpelagic level. Different Life forms are native to the oceans; they include Radiata‚ Fish‚ and Cetacea such as whales‚ dolphins and porpoises. Cephalopods such as the octopus‚ Crustaceans such as lobsters and shrimp‚ Marine worms‚ Plankton‚ Krill and Echinoderms also form part of the fauna in the oceans‚ which are also found in many parts
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The Gulf of Mexico along the Louisiana coast has experienced countless oil spills but unlike those BP’s oil spewed directly from the bottom of the ocean. It is difficult to accurately determine the complete extent of the damage caused by the oil spill because data on the condition of the environment in that area before the disaster is lacking. Even now the effect on organisms such as those in deep-water marine communities is hard to determine. But one thing is certain; the oil spill impacted every
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provide ideal habitat for fish‚ amphibians‚ shellfish‚ and insects. Additionally‚ many birds and mammals rely on wetlands for food‚ water‚ breeding grounds‚ and shelter. Wetland Wildlife fish insects reptiles birds mammals crustaceans Importance of wetlands Wetlands play an essential part in the regulation of river flow‚ they filter pollutants and fertilizers‚ they are spawning zones for some species of fish (pike in particular). They also provide a habitat for plants
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Insects are the most successful animal group. They are extremely diverse and abundant. They are present in the sea‚ in freshwater‚ on land and in the air. They occupy every ecological niche. Arthropods are not only extremely diverse but are also numerous as individuals. There are approximately 200 million insects for every human being on the Earth.(1) They have a huge impact on humans and our activities. They are pests of both food and animals‚ and are responsible for disease transmission. They also
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we find invertebrates‚ fish‚ birds‚ fen‚ etc. The fen is an aquatic plant species with very little system that floats on ponds‚ marshes and lakes. The Shut-in Mountain fen feeds on aquatic invertebrates such mosquito larvae‚ protozoans and tiny crustaceans‚ tadpoles and newly hatched fish. This aquatic freshwater ecosystem is surrounded a terrestrial ecosystem which is a habitat for many species such as beavers‚ birds. Currently‚ humans exploit the aquatic through fishing and practice recreational
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Observe a class in an elementary/secondary school in your area. Have a verbatim record of the teacher’s questions. Assess how well each question asked was able to move towards concept development. Analyze mistakes‚ if any‚ on the questioning process. Explain how you would have done the questioning and developed the concept as intended by the teacher. I observed a Science class in the elementary level‚ Grade 6‚ at the University of the Philippines Integrated School (UPIS). Professor REV was teaching
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Title: “ Chalk out of seashell s” Name: Gerald P. Raboy School: Cabittaogan National High School Address: Cabuloan Sta. Catalina Ilocos Sur ABSTRACT The study on the production of chalk out of seashells were designed to produce quality dustless and long lasting chalk to compare with the standard existing commercialized chalks if there are any‚ which was sold in the market. The chalk out of seashells is for local or non-local used for schools or any educational aspects or even at
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1.Carbohydrates Consists of CnH2xOx • Include sugars • Classified into groups based on the number of carbon atoms per molecule. • Classes of Carbohydrates o Monosaccharides ▪ Simple sugars o Disaccharides ▪ Compound sugars o Polysaccharides ▪ Complex sugars a. Monosaccharides • Simple sugars • Contain about 3 to 6 carbon atoms per molecule o Trioses
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Good morning‚ Mr Lau and friends. Today we will be presenting the ethical issues on animal testing. Throughout the history of biomedical research‚ experimental procedures are performed on living animals. Commonly used animals include mice‚ rats‚ rabbits‚ monkeys and dogs. (END) Furthermore‚ it is estimated by the Humane Society International that more than one hundred and fifteen million animals worldwide are used in laboratory experiments annually for the purpose of research to assess the effectiveness
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