BIOLOGY O LEVEL(FORM TWO) NOTES – GASEOUS EXCHANGE AND RESPIRATION
GASEOUS EXCHANGE AND RESPIRATIONGaseous exchangeGaseous exchange is the movement of oxygen and carbon dioxide across a respiratory surface. Unicellular organisms carry out gaseous exchange by
BIOLOGY O LEVEL(FORM TWO) NOTES – BALANCE OF NATURE
BALANCE OF NATURETHE NATURAL ENVIRONMENTThe natural environment is made up of all living and non – living thing that occur naturally on earth, it includes;
BIOLOGY O LEVEL(FORM TWO) NOTES – TRANSPORTATION OF LIVING MATERIALS -2
TRANSPORTATION OF LIVING MATERIALS -2TRANSPORT IN PLANTSIntroductionThe transport system in plants is less complex than that of animals. Materials are transported by vascular bundles composed
Biology Form 2 Notes : TRANSPORT IN PLANTS AND ANIMALS.
TRANSPORT IN PLANTS AND ANIMALSIntroductionTransport is the movement of substances within an organism.All living cells require oxygen and food for various metabolic processes.These substances must
Biology Form 2 Notes : EXCRETION AND HOMEOSTASIS
EXCRETION AND HOMEOSTASISIntroductionExcretion is the process by which living organisms separate and eliminate waste products of metabolism from body cells.If these substances were left to
Biology Form 2 Notes : GASEOUS EXCHANGE IN PLANTS(Respiration) AND ANIMALS
Gaseous Exchange in Plants and AnimalsNecessity for Gaseous Exchange in Living OrganismsLiving organisms require energy to perform cellular activities.The energy comes from the breakdown of
BIOLOGY O LEVEL(FORM TWO) NOTES – TRANSPORT OF MATERIALS IN LIVING THINGS.1
TRANSPORT OF MATERIALS IN LIVING THINGS.1IntroductionThe basic characteristics of all living things are nutrition, respiration, excretion, growth and development, movement, reproduction and sensitivity. In order
BIOLOGY O LEVEL(FORM TWO) NOTES – NUTRITION -1
NUTRITION -1Is the process by which an organism provides itself or is provides itself or is provided with materials necessary for energy release, growth and