Bio Exam Revision — 7-topic bundle

This topic focuses on how biological systems interact with disease-causing agents and the strategies used to manage and prevent illness.

Disease notifications are crucial for public health. They provide data on how diseases spread, allowing health authorities to monitor trends, identify outbreaks, and implement control measures.

For example, the provided graph shows pertussis (whooping cough) notifications in NSW residents by month of disease onset and age group from January 2017 to July 2021.

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The human lineage, called hominins, diverged from other apes approximately 6-7 million years ago. This divergence is marked by several defining characteristics:

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Scientific investigation is a systematic way to explore questions about the natural world. It generally follows a scientific method, though it's not always a rigid step-by-step process.

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Evolution is fundamentally about how life changes over time. It's not about individuals changing, but about changes in the genetic makeup of populations across generations.

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