# History of life and geological timescale

> Life on Earth has a long history that palaeontologists reconstruct from fossils and rock strata. This section covers life’s early sequence, the geological timescale (aeons → eras → periods →…

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## Full notes

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## More in History of life on earth

- [Mass extinctions](https://www.hlayiso.com/grade-10/life-sciences/notes/history-of-life-on-earth/mass-extinctions) — Previous section
- [Fossil formation and dating](https://www.hlayiso.com/grade-10/life-sciences/notes/history-of-life-on-earth/fossil-formation-and-dating) — Next section
- [All History of life on earth sections](https://www.hlayiso.com/grade-10/life-sciences/notes/history-of-life-on-earth)

## Frequently asked questions

### What will I learn in "History of life and geological timescale"?

This section covers History of life and geological timescale as part of History of life on earth in Grade 10 Life Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "History of life and geological timescale", are written against the official CAPS curriculum and ATP for Grade 10 Life Sciences.

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