Groups of cells that are located near a growing tip and give rise to new plant cells form a tissue called .: b Groups of cells that are located near a growing tip and give rise to new plant cells form a tissue called . 2. Root systems that are made of fine branches of about the same size are called .: e Root systems that are made of fine branches of about the same size are called . 3. Root systems that have one main root and can sometimes store food are called .: c Root systems that have one main root and can sometimes store food are called . 4. Plant use energy to absorb water as well as such as nitrogen, iron, and magnesium.: Plant use energy to absorb water as well as such as nitrogen, iron, and magnesium. 5. The increased concentration of in root cells causes minerals to move into the root by osmosis.: The increased concentration of in root cells causes minerals to move into the root by osmosis.