To avoid serious symptoms, spend time in sunlight and eat foods that are good sources of vitamin D, including milk, eggs, fish oil, mackerel, sardines, canned salmon, tuna, soy, seaweed, broccoli, molasses, legumes, beans, almonds and oranges.
Leaves, stems, roots, and flowers are all made up of various tissues. Plant Tissues Plant Tissues fall into two large categories: Meristematic, or Permanent (Non-Meristematic) Meristematic Tissues Meristems are places in plants where cell division is occurring. During cell division, one cell becomes two cells.Each new cell can also divide.lant Tissues Plant Tissues fall into two large categories: Meristematic, or Permanent (Non-Meristematic) Meristematic Tissues Meristems are places in plants where cell division is occurring. During cell division, one cell becomes two cells. Each new cell can also divide.
Large tracts of cells with a similar structure that form a collective function are referred to as tissues. Complex organs such as flowers, leaves, stems, roots and fruits are all made up of various types of tissues. There are two basic types of tissues: 1  Meristematic tissue is found in the roots and shoots of plants.esson Structure. There are 10 lessons in this course: 1  Taxonomic Classification of Plants. 2  Plant Taxonomy-Botanical/Horticultural Nomenclature, The Binomial System, Botanical Classification, Plant Families and Species, Hybrids, Varieties and Cultivars.