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Q. What is the embryonic characteristic that evolutionarily makes echinoderms proximal to chordates?
Chordates and Echinoderms are deuterostomes that is in their embryonic development the blastopore turns into the anus. All other animals with complete digestive system are protostomes that is their blastopore originates the mouth.
The blastopore is the first opening of the digestive tube that appears in the embryonic development.
Give one example in each case of the usefulness of bacteria in (a) a natural environment, (b) an industrial process. (a) In a natural environment bacteria brin
Q. How do ascaris obtain food? An ascaris live within the human gut and feed from the food ingested by the infected person.
Q. Explain Microbiology of fruits? Ans. Fresh fruits, like vegetables, are in a close vicinity of ground and hence may have varied flora of microorganisms. Nature has
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Occurrence of Vitamin D Cholecalciferol is synthesized in the skin by the action of ultraviolet light on 7-dehydrocholesterol which is widely distributed in animal fat. Vitami
Define Diagnostic Criteria for Anorexia Nervosa? Table gives the American Psychiatric Association diagnostic criteria for anorexia nervosa. Although the manual does not use bod
Cyanotic Heart Disease In this there is a communication between Pulmonary and systemic circulation through which venous blood enters the systemic circulatory system. The infa
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difference between holophytic nutrition and holozoic nutrition.
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