Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
SS 2 Biology Notes for the first, second, and third term are carefully compiled to help students and teachers stay aligned with the WAEC and NECO syllabus.
These notes provide detailed explanations of key topics such as genetics, ecology, reproduction, and more. Ideal for classroom study, personal revision, and exam preparation, they ensure a deeper understanding of biological concepts throughout the school year.
Download free SS 2 Biology notes covering 1st, 2nd, and 3rd term topics based on the WAEC and NECO syllabus. Perfect for exam revision and class study.
Definition: Pollution is defined as the release of toxic or harmful substances into the environment by their natural forces or man and other animals to an extent that causes biological damage to man and his resources. In other words, pollution…
Nitrogen is an abundant element in the atmosphere. It is an essential constituent of proteins, a group of substances found in all living cells. About 78% of air is composed of gaseous nitrogen. Plants cannot incorporate nitrogen gas into organic…
Nutrient cycling refers to the movement of certain nutrients like nitrogen, carbon, water, oxygen and other elements from the environment into various organisms and back into the environment. The path along which the atoms or elements pass is called a…
Food production depends on the following Role of Government in Agricultural production Environmental Factors Required for Food Production Environmental factors affecting food production include the biotic and abiotic factors. Abiotic factors include: Biotic factors affecting food production include Ways…
Organisms of the land are called terrestrial organisms. They include plants and animals that are found living on the ground and under the ground. Basically, terrestrial habitat is subdivided into four main parts, namely; MARSH Marsh is a low land,…
Habitat is a place where organisms (plants, microorganisms and animals) are naturally found e. g. the habitat of tadpole is the bottom of fresh water ponds or streams. There are three main types of habitats, namely; aquatic habitat (in or…