1.4.        PLASMOLYSIS When a cell lies in a solution of high osmotic concentration that in cell sap, the cell loses […]

1.3.      TURGIDITY AND FLACIDITY When water enters the vacuum of a plant cell the volume of the cell sap increase […]

  1.2.      DIFFUSION Definition: Diffusion is the movement of molecules from one region of higher concentration to a region of […]

CHAPTER ONE 1.1.   WATER RELATION   1.1.1.  IMPORTANCE OF WATER TO PLANTS   Photosynthesis Temperature regulation/ transportation Formation of cell […]

TABLE OF CONTENT CHAPTER ONE. 1.1.       WATER RELATION.. 1.1.1.         IMPORTANCE OF WATER TO PLANTS. 1.1.2.         IMPORTANCE OF WATER TO ANIMALS. […]

CHAPTER TWO 2.   TAXONOMY 2.1.        NUMERICAL TAXOMONY                 This is a system of classification that uses a very large number […]

CHAPTER ONE GENERAL INTRODUCTION   Biology developed from two Latin words BIOS meaning life and LAGOS meaning study or discourse. […]

CHAPTER ONE. GENERAL INTRODUCTION SYSTEMATIC: 1.1.       The artificial system of classification 1.2.       THE NATURAL SYSTEM OF CLASSIFICATION 2.     […]

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O Level Biology Mechanisms of ventilation in the Human lungs       This is the  method  that  pumps air […]