Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
Welcome to SS 1 Biology Notes, where you can find detailed, curriculum-based content written to help students understand key biology concepts.
These notes follow the official WAEC and NECO syllabus, making them ideal for students preparing for internal and external examinations.
Topics covered include cells, classification of living organisms, ecology, tissues and supporting systems, and more.
Each lesson is structured for clarity and includes definitions, diagrams, and examples to aid retention and understanding.
This section is perfect for classroom use, personal study, or lesson planning for teachers.
Access comprehensive SS 1 Biology notes based on WAEC and NECO syllabus. Learn key biology topics with clear explanations for exam preparation.
ANIMAL NUTRITION (FOOD SUBSTANCES) Food is a complex energy-rich organic matter which living organism feed on to obtain nutrients and substances necessary for life. Food substances are classified to six groups Carbohydrates These are made up of carbon, hydrogen and…
Nutrient cycle is defined as the circulation of certain nutrient such as carbon, sulphur and water in nature Carbon Cycle The carbon cycle is the way carbon (iv) oxide is being used from the atmosphere by photosynthesis and put back…
Nutrition is defined as the process by which living organisms obtain and utilize food material from external environment for metabolic activities such as respiration, growth, excretion and reproduction. Photosynthetic or holophytic Nutrition is defined as a process whereby green plant…
Organization of life is defined as the existence of life from a single called organisms to a multicellular organisms with complex form that perform different functions Levels of Organization 1 First level (cell): A cell which is the functional and…
Classification is defined as the arrangement of living things into groups based on structural genetic and cellular organization. This is called TAXANOMY.The system of classification of living things used today is based on that introduced by Swedish naturalist named Carl…
Living things are those objects that have life e.g. plant and animals. Non-living things are those objects without life or lifeless objects. CHARACTERISTICS OF LIVING THINGS – To look for food – To run away from danger – To…
Science is defined as a systematic process of making enquiry about the living things and non-living things in our environment. The term Biology is coined from two Greek words: bios, meaning life and Logos, meaning study. Therefore, Biology is simply…