Free online courseBiology course

Course Description

Strengthen your biology foundation with a free online course designed for students who want clear understanding and steady progress, whether you are preparing for school assessments or working toward Cambridge IGCSE Biology (0610) exams. Instead of memorizing disconnected facts, you will develop the ability to explain biological ideas and apply them to unfamiliar questions, the skill that makes the biggest difference in exam performance.

The lessons guide you from core characteristics of living organisms and biological organization into the essential processes that keep cells and whole organisms functioning. You will build confidence with movement of substances across membranes, key biological molecules, and how enzymes work in living systems. From there, you will connect plant structure to function through photosynthesis, gas exchange, transport, and factors that affect transpiration, so you can reason about real scenarios rather than rely on guesswork.

Human biology is treated with the same practical focus. You will reinforce concepts in nutrition and digestion, then link transport in animals to heart and blood vessel function, gas exchange, respiration, and excretion. You will also explore coordination and response, including the nervous system and hormones, and develop a clearer picture of how the body maintains internal stability.

To support application and recall, the course pairs video explanations with targeted exercises that mirror the style of common exam questions. These practice checks help you spot gaps early, correct misconceptions, and improve your accuracy under time pressure.

Beyond the individual organism, you will broaden your understanding with inheritance, variation, natural selection, and ecology, including human impacts on ecosystems and processes such as nutrient cycling. The course finishes by introducing biotechnology ideas that link biology to modern scientific and medical advances. Learn at your own pace, revisit difficult topics anytime, and turn your study time into measurable improvement.