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Multiplicative Growth or Embryonic Growth
In multi cellular organisms, growth occurs by an increase in the number of cells of the organism. The increase in the number of cells is due to mitotic cell division. In this type of growth, the average cell size remains the same, or increases insignificantly. Example:..
Auxetic growth
In some organisms like Ascaris, growth occurs as a result of increase in the size of their cells. The number of cells remains the same. The body grows in size because of the enlargement of its cells. Auxetic growth is found in nematodes, rotifers and tunicates. In cert..
Secondary Growth
Secondary Growth - The normal process of growth that occurs in every plant body is known as primary growth. It is the result of the activity of primary meristem. The process of primary growth results in the formation of primary permanent tissues suc..
Measurement of growth
Growth is a natural phenomenon, which occurs in both plants and animals. The growth in length of the plant is measured with the help of equipment called auxanometer or auxograph. An auxanometer is therefore an instrument used to measure the rate of growth of..
Growth is a natural phenomenon, which occurs in both plants and animals. The growth in length of the plant is measured with the help of equipment called auxanometer or auxograph. An auxanometer is therefore an instrument used to measure the rate of growth of..Fruit growth and ripening
Ethylene stimulates the growth of fruits in some plants. It is considered responsible for the changes that occur during the ripening of frui..
Population growth rate
- Rate at which population is growing. It is expressed on annual or decimal basis. It is difference between birth rate and death rate. Each one of the above derived parameter has specific significance in the study of population. Many of the above parameters are simultaneously studied at rural a..
Impact of Population Growth
Consequences of Over Population/Impact of Population Growth - India is the best country to study the consequences of over population. Geometric growth in population has pushed our country into population explosion leading to number of serious consequences. Some of them are: Decr..
Secondary Growth in the Stele
It is the result of the activity of the vascular cambium, which occurs in between xylem, and phloem of each vascular bundle. Hence, it is also known as intra-fascicular cambium. In addition, towards the beginning of secondary growth there is a process of dedifferentiation in som..
Role of Growth Regulators In Seed Dormancy
Role of Growth Regulators In Seed Dormancy - Gibberellins have been shown to be effective in breaking the dormancy in potato tubers and in tree buds in winter. Cytokinins have been found to be effective in breaking the dormancy of seeds. They also promote the germination of the seeds. The..
Consequences of Over Population/Impact of Population Growth
India is the best country to study the consequences of over population. Geometric growth in population has pushed our country into population explosion leading to number of serious consequences. Some of them are: Decreased availability of food and clothing. Decreased per capita food avail..
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