Yes, a piece of fruit is alive.
Fruits, even after being detached from the plant, continue to exhibit characteristics of living organisms, although their life processes are slowing down. According to the reference, fruits "grow, they use oxygen, and perform many of the other processes associated with life." This indicates that cellular respiration and other metabolic activities persist within the fruit.
Evidence of Life in Fruit
While a fruit sitting in a grocery store may seem inanimate, several biological processes are still occurring:
- Respiration: Fruits continue to respire, consuming oxygen and releasing carbon dioxide, just like other living tissues.
- Ripening: The ripening process involves enzymatic reactions that change the fruit's texture, color, and flavor. This is an active metabolic process.
- Cellular Activity: Cells within the fruit remain active, albeit at a reduced rate compared to when the fruit was attached to the plant.
- Response to Stimuli: Fruits can still respond to external stimuli, such as light or temperature changes, by adjusting their metabolic activity. For example, ethylene production influences ripening speed.
Why Fruits Are Alive After Being Picked
The reason fruits remain alive after being picked is that their cells are still functioning and carrying out metabolic processes. Although they are no longer receiving nutrients from the parent plant, they have stored resources that allow them to continue these processes for a period of time.
Important Note:
It's crucial to remember that while a fruit is alive, it's in a state of decline. It won't continue to grow indefinitely or reproduce. Eventually, the resources within the fruit will be depleted, leading to decay and death of the cells.