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Q. What is the major evolutionary innovation presented by nematodes? What is the benefits of that innovation?
The major evolutionary innovation of nematodes is the complete digestive system, with two openings (anus and mouth).
Since the defecation and the ingestion processes can occur in different extremities of the digestive tube, beings with a complete digestive system have the benefit of ingesting new food while residuals of already eaten food are still inside the body and not yet eliminated.
Gene repressor proteins which inhibit the transcription of particular genes in eukaryotes also exist. They may act by binding either to control parts within the promoter region nea
Digestion The nutritional requirements and the various ways used by heterotrophic organisms to obtain nutrition. Whether food is used to give energy or to build the body, the
Which statement is correct? A. Synapomorphies identify monophyletic groups. B. A synapomorphy may arise due to covergent evolution. C. A synapomorphy is an ancestral trait. D. Syna
Q. What is the difference between tracheophytes and bryophytes? Bryophytes are nonvascular plants (liverworts, mosses, hornworts), that is they do not have a conductive system
Various ways/techniques suggested for control of water pollution are as follows: 1. Pollutants (radio active, chemical, biological) present in water bodies can be removed by app
Q. Extractive use of biodiversity? This includes direct use such as harvesting of wild plant species for use as food, fuel, fodder, fibre, shelter or medicine and hunting anima
Describe the factors that are involved in the regulation of respiration in a child who decides to hold his/her breath for as long as possible.
Q. Can Nutrition affecting the growth of microorganism? Ans. Food is food to humans and microbes - be it carbohydrates, proteins or fats. The nutritional requirements of b
Define the Uremia and Nitrogen Disposal? In animals, faecal and renal nitrogen were enhanced and decreased uremia was seen in normal and nephrectomised animals. The mechanisms
In a possible future scenario, male fertility drops to zero, but, luckily, scientists develop a way for women to produce babies by virgin birth. Meiocytes are converted directly (w
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