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  • Biology Factsheet: 54. Water potential

    Biology Factsheet: 54. Water potential

      Water potential strikes fear into many students.  However, in reality there are only five typical questions:  1. Here are two cells with different water potentials.  Which w...

    Price £3.00more info
  • Biology Factsheet: 55. Effect of light on living organisms

    Biology Factsheet: 55. Effect of light on living organisms

    The effect of light on living organisms is a good example of a synoptic  topic, i.e. one which requires students to pull together information from  many different areas of the syllabus. &n...

    Price £3.00more info
  • Biology Factsheet: 56. Autonomic nervous system

    Biology Factsheet: 56. Autonomic nervous system

    Prerequisite knowledge: Before studying this Factsheet the student should know about sensory, relay and motor neurones and their  structure, about myelinated and non myelinated fibres, and about...

    Price £3.00more info
  • Biology Factsheet: 57. Oestrous cycles

    Biology Factsheet: 57. Oestrous cycles

    Mature female mammals characteristically have oestrous cycles during which they become fertile, can conceive and become pregnant.  Though humans have oestrous (menstrual) cycles which follow one...

    Price £3.00more info
  • Biology Factsheet: 58. Reflex action

    Biology Factsheet: 58. Reflex action

    Reflex actions are simple automatic responses operated through the nervous system. They aid the survival of animals by, for example:  • producing protective reactions such as blinking, snee...

    Price £3.00more info
  • Biology Factsheet: 59. Excretion

    Biology Factsheet: 59. Excretion

    Excretion is the removal of toxic waste products of metabolism from the body to the external environment. This enables these waste  products to be recycled for reuse by living organisms. This fa...

    Price £3.00more info
  • Biology Factsheet: 60. Minerals in plants and animals

    Biology Factsheet: 60. Minerals in plants and animals

      Plants gain their minerals by direct absorption from the soil whereas animals gain their minerals via their diet. Although a wide range of mineral types are essential in both plants and a...

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  • Geography Factsheet: 101. The Impact of Rock Type on Scenery

    Geography Factsheet: 101. The Impact of Rock Type on Scenery

      Rock type plays a major role on a number of aspects of the landscape. Directly it can influence the relief, the drainage, the soil type and indirectly it can influence vegetation, the nature o...

    Price £3.00more info
  • Geography Factsheet: 102. Changing Industry  Case Study of Telford

    Geography Factsheet: 102. Changing Industry Case Study of Telford

      Telford is a New Town in the former county of Shropshire. It is now the major settlement in the new county of Telford and Wrekin.Within Telford is Coalbrookdale, part of Ironbridge – a W...

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  • Geography Factsheet: 103. Managing US National Parks  New thinking for tourist honeypots

    Geography Factsheet: 103. Managing US National Parks New thinking for tourist honeypots

      By 1999 over 70 million people were visiting the 54 National Parks of the U.S.A. This growth in visitor numbers is putting great strain on parts of the National Park system and new approaches ...

    Price £3.00more info
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