Now that you know what biology is, let's talk about why understanding biology is important for your future.

First and foremost, understanding biology can help you make informed decisions. Your health and the health of the environment both depend on your knowledge of biology.

Examples of how knowledge of biology can help you understand your health:

food allergies
effects of obesity
cancer
effects of alcohol, tobacco, and other substances

Examples of how knowledge of biology can you you understand the health of the environment:

interactions in ecosystems
effects of pollution
importance of biodiversity

Biotechnology offers great promise for the future, but also raises many questions, for example "are genetically modified crops safe?" Knowledge of biology can help you answer these questions.