Roots absorb water and mineral ions through root hair cells and are transported up the plant by the xylem. Plant hormones - Edexcel Hormones promote growth within plants. Plant hormones are ...

During this period, novel structures such as tracheids, stomata, leaves, roots, and secondary xylem evolved. However, the evolution of life-history strategies in early land plants remains poorly ...

Ancient fossils reveal how woodless trees got so big: by continuously ripping apart their xylem and knitting it back together. Shawna was an editor at The Scientist from 2017 through 2022. She holds a ...