Your health and the health of the environment depend on your knowledge of biology.

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Presentation transcript:

KEY CONCEPT Understanding biology can help you make informed decisions.

Your health and the health of the environment depend on your knowledge of biology. Knowledge of biology helps you understand your health. food allergies potential effects of obesity

Knowledge of biology helps you understand your health. food allergies potential effects of obesity cancer effects of alcohol, tobacco, and other drugs brain lungs heart liver kidneys

Knowledge of biology can help you understand environmental issues. interactions in ecosystems pollution biodiversity

Biotechnology offers great promise but also raises many issues. Biotechnology is the use and application of living things and biological processes.

Biotechnology is the use and application of living things and biological processes. DNA testing in medicine and forensics transgenic (genetically modified) crops transgenic bacteria

Questions are raised about the use of biotechnology. safety of genetically modified crops spread of undesirable genes decrease in biodiversity ethical considerations

Biology presents many unanswered questions. Over the past 50 years, biological knowledge has greatly increased.

There are still many questions to answer in biology. How are memories stored in the brain?

There are still many questions to answer in biology. How are memories stored in the brain? How do viruses mutate? surface proteins lipid envelope nucleic acid capsid Does life exist on planets other than Earth?