Dr. Overy's KBase: Resources for Teaching and Learning
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  • ecosystem
    A dynamic complex of plant, animal and microorganism communities and their non-living environment all interacting as a functional unit.
  • Effector
    An organ or cell that acts in response to a stimulus
  • Electric Current
    Rate of flow of electric charge .
  • Endangered
    (of a species) seriously at risk of extinction
  • endangered species
     A species which is at risk of becoming extinct because it is either few in number, or threatened by changing environmental or predation parameters
  • Evidence
    Data which has been shown to be valid.
  • Extinction
    The act of ending the existence of a plant or animal
  • Fair Test
    A fair test is one in which only the independent variable has been allowed to affect the dependent variable.
  • follicle stimulating hormone
    A hormone secreted by the anterior pituitary gland which promotes the formation of ova or sperm.
  • Fossil Fuels
    Fuels such as oil, natural gas, and coal that are made from decayed plants and animals that lived millions of years ago. These fuels are made of hydrogen and carbon (hydrocarbons).
  • FSH
    A hormone produced by the anterior lobe of the pituitary gland that stimulates the growth of the ovum-containing follicles in the ovary and activates sperm-forming cells —abbreviated to  FSH
  • Fusion
    A nuclear reaction in which two or more atomic nuclei join together to form a single heavier nucleus
  • Geothermal
    Heat energy obtained from the hot areas under the surface of the earth.
  • Global Warming
    Increase in the average temperature of the earth's surface.
  • Gravitational Field
    A gravitational field due to a body is a region in space in which another body placed in the region experiences a force of attraction by the first body.
  • Gravitropism
     A turning or growth movement by a plant or fungus in response to gravity.
  • Greenhouse Gas
    Gases such as carbon dioxide and methane that trap heat in the atmosphere. These gases are emitted from a variety of natural sources like forest fires, and human sources like the combustion of gasoline and natural gas.
  • Habitat
    The natural home of an animal or plant
  • Habitat loss
    The process in which natural habitat is rendered functionally unable to support the species present.
  • Habitats
    The natural homes or environments of an animal, plant, or other organism
  • Hooke's Law
    The force needed to cause an extension/compression in a spring is directly proportional to its extension/compression.
  • Hormones
    Regulatory substances produced in organisms and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
  • Hydroelectric
    Electrical energy produced by moving water
  • Hydropower
    Energy or power produced by moving water.
  • Hypothesis
    A proposal intended to explain certain facts or observations.
  • Ignaz Semmelweis
    Ignaz Semmelweis was a Hungarian physician whose work demonstrated that hand-washing could drastically reduce the number of women dying after childbirth. Until the late 1800s surgeons did not scrub up before surgery or even wash their hands between patients, causing infections to be transferred from one patient to another. Through vigorous statistical analysis, Semmelweis figured out where the problem lay and introduced rigorous hand-washing rules in the maternity ward. Deaths were drastically reduced and Semmelweis became known as the ‘saviour of the mothers’.
    REF :  http://www.sciencemuseum.org.uk/broughttolife/people/ignazsemmelweis.aspx
  • In Vitro Fertilisation
    A procedure in which eggs (ova) from a woman's ovary are removed. They are fertilized with sperm in a laboratory procedure, and then the fertilized egg (embryo) is returned to the woman's uterus.
  • Independent Variable
    The independent variable is the variable for which values are changed or selected by the investigator.
  • Infection
    The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body
  • Infectious Diseases
    Disorders caused by organisms — such as bacteria, viruses, fungi or parasites

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