Here's why:
* They grow and develop: Plants start as seeds and grow into mature organisms.
* They reproduce: Plants produce flowers, fruits, or spores to create new plants.
* They respond to their environment: Plants turn towards sunlight, grow roots downwards, and can even sense changes in temperature and moisture.
* They use energy: Plants use sunlight to make their own food through photosynthesis.
* They are made of cells: All plants are composed of cells, the basic building blocks of life.
Let me know if you want to know more about a specific type of plant!