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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 is the dichogamy? Dichogamy is phenomenon of the maturation of female reproductive structures of the plant in a different period to the maturation of the male reproductive
WHAT ARE THE DEMERITS OF CONTINOUS BREEDERS
Q. Whcih group of individual animals and plants called Species? A group of individual plants and animals that are fundamentally alike is treated as a ,species. Species is a par
Some plants and animals originate food contain toxic substances. Some pulses and legumes contain a number of toxic substances such as protease inhibitors, lathyrogens, and flavism
The permissible use of the technique amniocentesis is for: 1. detecting sex of the unborn foetus 2. artificial insemination 3. transfer of embryo into the uterus of the su
Ideal Characteristics 1) Maximize gas transfer (oxygen, carbon dioxide and anaesthetic gases) 2) Minimize blood trauma 3) Good heat transfer efficiency 4) Minimize
Cardiac Veins The anterior cardiac consisting of vessels covering the anterior right ventricle, I drain into the right atrium. The great cardiac vein drains the blood form
Explain the Invasive species? Tens of thousands of non-native species have been introduced into the United States of America, with more arriving each year. These species can ha
Tooth associated with Persistent apical periodontitis Functional retention of the tooth : persistent lesion while remain asymptomatic function for an extended period of time .
The PRS kit is comprised of -5 variously sized trephines and corresponding tubes according to material if it's silver or silver point -A transmetal bur
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