BIOLOGY O LEVEL(FORM FOUR) NOTES – GENETICS AND VARIATION -1
GENETICS AND VARIATION -1Genetics is a branch of science which deals with the study of inheritance and variation.Definition of termsHeredityIs a passing of features from
BIOLOGY O LEVEL(FORM FOUR) NOTES – ORGANIC EVOLUTION
ORGANIC EVOLUTIONCONCEPT OF ORGANIC EVOLUTIONOrganic evolution is the gradual development of organisms from simple life forms to more complex life forms over time. It explains
BIOLOGY O LEVEL(FORM FOUR) NOTES – GROWTH AND DEVELOPMENT
GROWTH AND DEVELOPMENTGROWTHRefers to the irreversible (permanent) increase in size and mass of an organism.Reproduction results in the formation of new organisms. Every newly produced
BIOLOGY O LEVEL(FORM FOUR) NOTES – HIV, AIDS AND STD's
HIV, AIDS AND STD’sHIVHIV stands for human immunity deficiency virus. HIV weakens the body immune system by entering into white blood cell (lymphocytes) and binds
BIOLOGY O LEVEL(FORM ONE) NOTES – CLASSIFICATION OF LIVING THINGS
CLASSIFICATION OF LIVING THINGShttps://youtu.be/IkOKyx45kjAClassification is a grouping of organisms based on their similarities and differences. Organisms that are similar are placed in one group. These
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
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