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Q. What is the evolutionary importance of the emergence of seeds in the plant kingdom?
The evolutionary significance of the seed is related to the plant capability of distant colonization and to the protection of the embryo. Embryo-containing seeds can be carried by wind, water and germinate and animals in different environments. This fact contributes to the exploration for the diversity of plant species and of a variety of ecological niches.
Seeds in addition protect the plant embryo against external aggressions and they also provide germination under more satisfactory conditions (inside the seed). These characteristics contribute to the evolutionary accomplishment of the phanerogam.
what would happen if there is no revolution?
Explain the two forms of hemicellulose There are two forms of hemicellulose - Hemicellulose A and B - Hemicellulose A is precipitated upon neutralization of an alkaline extract
Hypertensive emergencies should be treated within one hour. Hypertensive urgencies may be treated more slowly. The term accelerated malignant hypertension is used when retinal haem
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Define Utilization of Soy Protein Concentrate? Soy protein concentrates are used in food products for their nutritional characteristics or for their functional properties or fo
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The course and ultimate prognosis of ARF is usually directly related to the severity of carditis. The course and prognosis also depends upon recurrence of rheumatic fever. In pre-p
Succession - Community Change The factors like fire, floods and human interventions affect an ecosystem considerably. They often lead to the depletion or stripping off of orig
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