**2.1 Plants**

The lifespan in plants ranges from few weeks to few thousand years. Bristlecone pine (*Pinus longaeva*), a tree found in the higher mountains of California (USA), is among the plants with the longest lifespan (around 5,000 years) (**Figure 1**).

#### **Figure 1.**

*Bristlecone pine (Pinus longaeva) can live around 5,000 years (Picture downloaded from the internet "Google Images").*
