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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.
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∙ 15y ago
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∙ 12y agoi know were to fined the best info and it's easy, just log on to flvs. com, go to lessons click the assessment and READ it! i do flvs to and you know Mr.M dose not put those lessons up there so you can pretend they don't exist, i mean come on,
if your having troube you have three choices, call a sub and ask 4 help,go to the tutoral clips he has so you can understand the lesson better, or throw a fit and act like a four year old and try to get some one beside you to do your school work for you, and post on the internet 'i can't do this i need some one to do it for me', cause my brain is to small for upholding any information! get a life. :)
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∙ 12y agoPrimary succession begins with the trees and secondary succession begins with lichens
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∙ 13y agoPrimary growth is the growth in length of roots and shoots, while Secondary growth is growth in thickness or in the diameter. I hope it will help you.
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∙ 12y agoPrimary growth is when the stem or root of a plant gets lengthens, and secondary growth is when the stem/root gets thicker.
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∙ 13y agoPrimary roots grow first and their much more thicker when the secondary roots grow out of the primary and their not as thick either
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∙ 11y agothere is growth.
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Do growth plates lie between primary and secondary ossification centers?
yes they do
Are the tissues found in the monocot stem primary?
Yes ! They are primary tissues as there is no secondary growth.
What are two types of ecological succession?
There are 3 types of successions. One is called ecological succession, the next is called primary succession, and the last one is called secondary succession.
Do mosses have secondary growth?
No, mosses do not have secondary growth. Secondary growth takes place in vascular plants. Mosses are non-vascular.
Are enzymes primary or secondary metabolites?
Primary metabolite because they are directly involved in normal growth, development, and reproduction. In other words, an organism would die without enzymes.
What is difference between primary growth and secondary growth?
Primary growth is when the stem or root of a plant gets lengthens, and secondary growth is when the stem/root gets thicker.
Do growth plates lie between primary and secondary ossification centers?
yes they do
What does the primary growth of plant add and while secondary growth adds?
Primary Growth adds height, while secondary growth adds Girth.
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.
What part of a plant produces secondary growth?
Meristematic tissue (vascular cambium) produces secondary growth. In plant stems, this serves to increase the diameter, and it forms between the primary xylem and phloem.
What is meat by primary and secondary growth in vascular plants?
The primary growth in vascular plants takes place with the differentiation of vascular tissue from parenchymatous cells and the secondary growth takes place when the intra-vascular and inter vascular cambium adds to the secondary phloem and secondary xylem.
What is the difference between primary and secondary sex characteristics?
Primary characteristics involve the organs for reproduction. Males have testicles, females uterus. Secondary characteristics involve traits characterized by hormonal changes such as the differences due to puberty. Examples include breasts, facial hair, the growth of pubic hair and underarm hair.
Are the tissues found in the monocot stem primary?
Yes ! They are primary tissues as there is no secondary growth.
Are the tissue found in the monocot stem primary?
Yes ! They are primary tissues as there is no secondary growth.
What effect could a cold winter with little precipitation have on the primary and secondary growth of a tree?
The effect that a cold winter with little precipitation might have a negative effect on the primary and secondary growth of a tree because the lack of water and harsh weather conditions aren't too good for trees. Primary and secondary growth is continued for as long as a tree/plant survives. But if the tree doesn't survive, primary and secondary growth no longer happen.
What is the difference between primary and secondary metabolites?
Metabolites are the intermediates and products of metabolism. The term metabolite is usually restricted to small molecules. A primary metabolite is directly involved in normal growth, development, and reproduction. A secondary metabolite is not directly involved in those processes, but usually has an important ecological function that means secondary metabolite usually is not that important for the organism and if this secondary meatbolite is not present it would not harm the organism.Now the examples for ur further help primary metabolites-- enzymes certain proteins .Secondary metabolite---- antibiotics, pigments etc
What is the difference between expansion and growth?
what is the difference between growth and expansion
