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The circle graph represents the age groups of passengers who traveled ..
The circle graph represents the age groups of passengers who traveled to New York last year. What is the difference between the number of passangers, in the age groups of 30 to 39 and 50 to 59 years, who traveled to New York, if the total passengers were 1250..
Growth, Regeneration and Ageing
Growth at Different Levels - Growth is defined as an increase in the size and weight of an organism due to synthesis of new protoplas..
A survey was conducted to examine factors that are involved in the dev..
A survey was conducted to examine factors that are involved in the development of friendship. Each participant is asked to identify the single most important factor that leads to the development of new friendship. The results are tabulated as shown: Physical appearance Popularity Personal..
Instant Speciation by Hybridisation and Polyploidy
It is known that members belonging to closely related species do not interbreed and even if they do so they do not produce fertile young. However, very rarely, fertile offspring may result from the interbreeding of two closely related species. In such cases, the resulting offspring represents a ..
Fungi
differ from plants in several features. They do not have chlorophyll and they are saprotrophic in nature. It is presumed that when life first evolved on the earth it was neither in the plant form or in the animal form. Definite plant or animal status is said to have been attained much later in..
Definition
Growth is defined as an increase in the size and weight of an organism due to synthesis of new protoplasm. Growth takes place at 2 different levels in an organis..
Growth is defined as an increase in the size and weight of an organism due to synthesis of new protoplasm. Growth takes place at 2 different levels in an organis..Artificial Speciation
New species can be created by domesticated animal husbandry for better and yield. For example, a new species of domestic sheep were created by hybridisation that no longer produced viable offspring with the parent species. Domestic cattle on the other hand, with several varieti..
New species can be created by domesticated animal husbandry for better and yield. For example, a new species of domestic sheep were created by hybridisation that no longer produced viable offspring with the parent species. Domestic cattle on the other hand, with several varieti..1) Morphallaxis
In this type, regeneration occurs mainly by the remodelling of existing tissues and the re-establishment of boundaries, thus involving very little new growth. As a result, the regenerated individual is much smaller initially. It subsequently increases its size and becomes normal after fee..
In this type, regeneration occurs mainly by the remodelling of existing tissues and the re-establishment of boundaries, thus involving very little new growth. As a result, the regenerated individual is much smaller initially. It subsequently increases its size and becomes normal after fee..Plant Tissue Culture
It refers to culture or growing the plant tissues. Plant tissue culture is developed as a separate branch of science - ever since the potentiality of each cell or tissue of plant to grow into a separate organism has been recognised. Tissue culture technique has opened up new opportunities..
Summary
. The two-kingdom classification has certain demerits, particularly with reference to lower forms of life which show common features with both plants and animals. In 1858 Earnt Haeckel proposed the three-kingdom classification in which apart from Plantae and Animalia, a new kingdom Protis..
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