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How is gas exchange done in flatworms?
Platyhelminthes exchange gases exclusively by diffusion by their body surface. This is only possible because all cells are localized relatively near to the exterior as gases diffuse cell by cell (the flat shape of these worms is a feature that permits this type of respiration).
Q. Show the value of embryology? The value of embryology in solving taxonomic problems can be appreciated by studying some specific cases. Amongst the classical examples cited
Studying a single rock Select a single rock and try to learn as more as possible about it from careful observation. If it is flat, it is probably a piece or layer from Sediment
Is a gene a triplet of consecutive DNA nucleotides? A gene is not a triplet of DNA nucleotides with their respective nitrogen-containing bases, like AAG or CGT. The nucleotide
Explain the Ecological niche modelling? The geographic range of organisms frequently reflects their fundamental niche, the range of physical conditions where they can live. Qua
Ethylene glycol is a poison that causes about fifty deaths a year in the United States. Treating people who have drunk ethylene glycol with massive doses of ethanol can save their
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PHYSIOLOGICAL CONDITION FOR GROWTH - It depends on anabolism and cetabolism. If anabolism is more positive growth. If both are balanced growth is zero. If cetabolism is more
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Class of Crustacea - Branchiopoda These are small fresh water crustaceans. The trunk appendages are flattened and leaf like and are helpful for locomotion also respiration he
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