* They are multicellular eukaryotes. This means they are made up of many cells with a nucleus and other membrane-bound organelles.

* They are autotrophic. They make their own food through photosynthesis. This process uses sunlight, water, and carbon dioxide to produce sugars for energy.

* They have cell walls made of cellulose. This provides structural support and rigidity.

* They reproduce sexually or asexually.

* They contain chlorophyll. This pigment is essential for photosynthesis, giving plants their green color.

* They exhibit indeterminate growth. Unlike animals, plants can continue to grow throughout their life.

While these characteristics are common to all plants, there are also many variations within the plant kingdom. For example, some plants are vascular (have specialized tissues for transporting water and nutrients), while others are non-vascular. Some plants produce flowers, while others don't.