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    Drosophila Fruit Flies

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    The fruit fly Drosophila melanogaster are an excellent specimen for research in genetics. Many reasons are that they have a rapid reproduction rate‚ easy to care compared other animals and less expensive. Researchers have determined the nucleotide sequence of nearly the entire 120 megabase euchromatic portion of the Drosophila genome (Cite). Drosophila has a simple genetic arrangement of only four chromosomes which contains three autosomes and one sex chromosome according to(--) and because of this

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    startling facts. A person who eats animals will consume 100+ animals per year. More than 10 billion animals are bred and slaughtered for food every year in the U.S. alone. One cubic inch of Grade A beef often has over 1‚000 parasite larva in it. In the U.S.‚ we have the highest permitted upper limit of milk pus cell concentration in the world. That is almost twice the international standard of allowable pus cells. Fish grow underwater “gardens”. They use their

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    Chapter 7: Living in the Environment: environmental factors and their influence Questions Introduction 1. Why is a Polar bear found living in a cold icy place and a fish found living in water‚ but not in other environments? Because it is their habitat in which they are adapted to. It has certain adaptations to allow it to survive in that environment and resources are available in the environment. 2. Give the definitions for the following words (the glossary at the back of the book may help

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    The Road to North America Bull thistle is native to Europe‚ Asia and Africa. But can be found on all continents except Antarctica. There are many speculations on when it made its way to North America but it is thought to have made its way to Eastern North America in the Colonial times. It started showing up in the Western part is the late 1800’s or early 1900’s. It is considered a noxious weed because it may outcompete the native plants to that area. Causing the native plants to cease to exist

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    Mickey Mouse

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    Fountain of youth There’s one thing that is on our mind at least once a year‚ on our birthday‚ or even every time we look in the mirror‚ youth. Not everyone is as lucky as Captain Jack Sparrow‚ who owns a compass that locates the mythical fountain of youth‚ or like the Benjamin Button who gets younger as each day come. For centuries‚ technology has advanced so much in order to help us to stay younger just a little bit longer‚ but such elixir has not yet to be found. Neoteny‚ also

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    biology

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    Name___________________________________ Score________________ Section___________________________________ Date_________________ EXERCISE NO. 1a MITOSIS OBJECTIVES The students should be able to: 1. identify the different steps involved in mitosis and meiosis; 2. describe the behavior of the chromosomes during each stage of cell division; 3. identify specific events in mitosis and meiosis that allow the inheritance of traits and generation of variation. MATERIALS

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    Ap Bio Lab Fruit Flies

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    This is the first stage of fruit flies--the egg. The egg is oval and has two filaments at one end‚ and after about one day‚ they hatch into larva. The larva is divided into three different stages: the 1st instar‚ the 2nd instar‚ and the 3rd instar. The total amount of time that it is in the larva stage is between 3-5 days. During the first instar‚ the larva eats continuously‚ tunneling through the medium. It sheds its skin twice‚ each time‚ it increases in size. After it molts‚ it enters the second

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    Phylum Chordata

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    chordates • Cephalochordota(cephalo = head) - Is represented by the lancelet or amphioxus‚ a chordate with a fishlike appearance. • Tunicata -Is an unusual chordate that lives attached to the seabed. The swimming larva of the organism contains the notochord‚ and all the rest of the distinguishing features of the chordates. Vertebrate chordates(7 classes) Three Classes of Fish: • Class Agnatha(a = not‚ without; gnathos = jaw).

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    Effect of Lemongrass (Cymbopogon citratus) and Pandan (Pandanus amaryllifolius) Leaves’ Water Extracts in Reducing Wriggler’s Life Span Thea Abigail Y. Lomibao Ma. Michaela Joana O. Aquino Joel D.Mendoza San Pablo City National High School San Pablo City Mrs. Glory M. Serrano Research Adviser A Science Investigatory Project submitted in fulfillment of the requirements in Research I-B S.Y. 2010-2010 Abstract Dengue fever has always been a problem to everyone

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    Lesson Plan

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    SCIENCE HEALTH IV FIRST GRADING LESSON 1 I. Objective 1.1 Identify some bones that make up the skeletal system. II. Subject Matter Topic: The skeletal System A. Science Concept/Idea: Skeletal system is the framework of our body; it consists of all the bones in the human body. B. Science Process: Identifying‚ Inferring‚ Observing C. Material: Illustration of skeletal system‚ a poster or model of a skeleton D. References: PELC grade VI 1.1 any book in science E. New Words:

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