Summary:
- Plants are multicellular eukaryotic organisms with cell walls made of cellulose.
- Plant cells also have chloroplasts.
- Male and female reproductive organs may be on the same or different plants.
- Only about 1 percent of the estimated 300,000 species of plants have lost the ability to photosynthesize.
- The Venus fly trap shows how plants use their flowers to trap insects.
- Most of the plants you are probably familiar with produce flowers.
- However, plants existed for hundreds of millions of years before they evolved flowers.