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How do plants that lack secondary growth increase girth ( stem width)?
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∙ 8y ago
cells get bigger
Gillian Watsica
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How do plants that lack a secondary growth increase girth?
cells get bigger
What growth increases the girth of stems and roots?
Apical meristem
Increase in girth of a tree is due to the activity of?
intercalary meristem
What is the difference between primary and secondary growth?
Primary growth is the lengthening of the stem and roots. All plant growth occurs by cell division and cell elongation. Cell division occurs primarily in regions of undifferentiated cells known as meristems. Cell division in the apical meristems and subsequent elongation and maturation of the new cells produces primary growth." on the other hand, secondary growth is the result of the activity of the vascular cambium. The latter is a meristem that divides to produce secondary xylem cells on the inside of the meristem (the adaxial side) and secondary phloem cells on the outside (the abaxial side). This growth increases the girth of the plant root or stem, rather than its length, hence the phrase "secondary thickening". As long as the vascular cambium continues to produce new cells, the stem or root will continue to grow in diameter. In woody plants, this process produces wood.
What does xylem have to do with tree rings and tree age?
Trees have two types of growth: primary growth and secondary growth. · Primary growth occurs at the tips of roots and stems and results in their growing taller or longer. · Secondary growth takes place in the vascular cambium and the cork cambium and results in an increase in the diameter of the stem or trunk of the tree. Cambium lies between the old wood and the bark of the tree. The vascular cambium is a thin layer cells that produces conducting cells - xylem and phloem. · The phloem is the outer layer, and is sometimes referred to as the inner bark. It is a food conducting tissue. The xylem is located toward the inside of the cambium layer. · The xylem is the vascular tissue through which most of the water and minerals of the tree are conducted. More secondary xylem (added toward the inside of the cambium layer) than secondary phloem (added toward the outside of the cambium layer) is produced by the cambium. The definition of wood is secondary xylem, reflected by the origin of the term 'xylem', the Greek word xylon, for wood. Another layer, the cork cambium, contributes to the expanding girth of a tree. The cork cambium is a thin layer cells that ultimately produces the bark of the tree. The bark is composed of several types of tissue produced (both toward the inside and the outside of the tree) by the cork cambium layer.
How do plants that lacks secondary growth increase girth?
cells get bigger
How do plants that lack a secondary growth increase girth?
cells get bigger
How do plants that lack secondary girth increase girth (stem width)?
cells get bigger
Do Woody plants lack secondary growth?
Primary growth is responsible for elongating the plant. In woody plants, primary growth is then followed by secondary growth which allows the plant stem to increase in thickness or girth.
How do plants that lack secondary growth increases girth(stem width)?
cells get bigger
What does the primary growth of plant add and while secondary growth adds?
Primary Growth adds height, while secondary growth adds Girth.
What growth increases the girth of stems and roots?
Apical meristem
How girth of stem increases from year to year?
by secondary growth through cambium in the and stelar region and cortical region
What's is the cambiums job?
The cambium is a layer of cells in plants that is responsible for secondary growth, which results in the plant increasing in girth and producing wood. It generates new cells for both the xylem (wood) and phloem (inner bark), allowing the plant to transport water, nutrients, and sugars efficiently.
How does a plant roots grow to become wider?
Stems and buds elongate by adding material to the ends. As plants grow taller, additional material is added to the stems and branches for support, and to increase the number of channels (veins) transporting water and food. (see related link)
What does the cambium do for the plant?
It increases the girth of the stem......................
Increase in girth of a tree is due to the activity of?
intercalary meristem
