Vegetation are mainly multicellular organisms, predominantly photosynthetic eukaryotes from the kingdom Plantae, which might exclude fungi and many algae. Plant cells have been derived by endosymbiosis of a cyanobacterium into an early eukaryote about one billion several years ago, which gave increase to chloroplasts.[133] The first quite a few https://directivepublications.org/the-journal-of-radiation-oncology/