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BIOLOGY STUDY NOTES INCLUDE ALL TOPICS FORM ONE UP TO FORM FOUR (1-4.)

To read the notes of Biology for ordinary level click the link below. BIOLOGY FORM ONE BIOLOGY FORM TWO BIOLOGY FORM THREE BIOLOGY FORM FOUR

BIOLOGY FORM FOUR TOPIC 1: GROWTH

BIOLOGY FORM FOUR TOPIC 1: GROWTH Concept of Growth is an increase in size/mass or growth. It is the progressive development of living thing, especially the...

BIOLOGY FORM FOUR TOPIC 2: GENETICS

The universe is a system made up of the stars, planets and the space surrounding them. The earth is the one of the planets...

BIOLOGY FORM FOUR TOPIC 3: CLASSIFICATION OF LIVING THINGS.

KINGDOM ANIMALIA The word 'animal' is derived from the Latin word animalis which means 'having breath'. The Kingdom Animalia is characterized by eukaryotic and heterotrophic organisms. They...

BIOLOGY FORM FOUR TOPIC 4: EVOLUTION

BIOLOGY FORM FOUR TOPIC 4: EVOLUTION The universe is a system made up of the stars, planets and the space surrounding them. The earth is the...

BIOLOGY FORM FOUR TOPIC 5: HUMAN IMMUNO DEFICIENCY (HIV) ACQUIRED IMMUNO DEFICIENCY SYNDROME (AIDS), AND SEXUAL TRANSMITTED INFECTIONS (STI’s)

Relationship Between HIV, AIDS and STIs HIV/AIDS (Human Immunodeficiency Virus and Acquired Immune Deficiency Syndrome) Acquired means “to get from” this means that AIDS is gotten...

BIOLOGY FORM THREE STUDY NOTES-TOPIC 2: MOVEMENT.

TOPIC 2: MOVEMENT Concept of Movement and Locomotion Movement refers to change of position and posture. Therefore the change of position of body parts such as limbs...

BIOLOGY FORM THREE STUDY NOTES-TOPIC 3: COORDINATION

The Concept of Coordination in Organisms Coordination is the working together of the various organs of an organism in...

BIOLOGY FORM THREE STUDY NOTES-TOPIC 4: EXCRETION

Concept of Excretion Chemical reactions occur in the cells of living organisms all the time to carry out the life processes. The sum of these...

BIOLOGY FORM THREE STUDY NOTES-TOPIC 5: REGULATION

BIOLOGY FORM THREE TOPIC 5: REGULATION Concept of Regulation Living organisms are subjected to wide variations in temperature, light, acidity, salinity, wind speeds, availability of water...

BIOLOGY FORM THREE STUDY NOTES-TOPIC 6: REPRODUCTION.

Concept of Reproduction Reproduction is the ability of living organisms to form new individuals of the same species from those already in existence. Here, the...

BIOLOGY FORM TWO STUDY NOTES-TOPIC 3: BALANCE OF NATURE

TOPIC 3: BALANCE OF NATURE The Natural Environment Natural environment is made up of all living and non living things that occur naturally on earth. An...

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