IGCSE Biology Topical Past Papers

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Ecology is the study of the interaction of organisms in an area with the surrounding environment. This interaction constitutes an overall adaptation of the organisms to their environment which also

Inheritance is the transmission of genetic information from generation to generation. Genetic information is stored in the form of DNA within the cell nucleus. Each organism has pairs of chromosomes,

Coordination and response. Nervous control in humans. Describe the human nervous system in terms of the central nervous system (brain and spinal cord as....

The gas exchange system is responsible for getting oxygen into the blood and removing carbon dioxide as a person breathes. Breathing is also called....

The underlying reasons for circulatory system problems vary from your genes to your lifestyle. To combat this growing problem in the world, we need a better understanding...

Enzymes are substances that act as catalysts in living organisms, regulating the rate of chemical reactions...

Topical Notes by Chapter for IGCSE Chemistry (0620)

Paper guide for Business Studies (0450)

They are several assumptions concerned with the recording of transactions in the books. The most important is that the financial statements known as the final accounts must be drafted in