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Q. What are the merits of the closed circulatory system over the open circulatory system?
The closed circulatory system is more resourceful since blood circulates only inside blood vessels it can do it with more pressure reaching beyond distances between the organs where the peripheral tissues and hematosis happen. Additionally the circulatory speed also heightens making possible more oxygen supply to great consuming tissues like the muscle tissues that then can perform faster movements. Animals with an open circulatory system with the exception of insects that do gas exchange independently from the circulation are usually slower and have a low metabolic rate.
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BIOGENESI S OF MITOCHONDRIA De Novo formation i.e. new formation. It is not confirmed. New mitochondria are formed by division (Amitosis) of pre-existing mitochondria.
Q How does the presence of exoskeleton describe the general small size of arthropods? Since they have periodic ecdysis and exoskeleton, the growth of arthropods is limited to a
What are the plant tissues that constitute the functional structures of the leaf veins? Leaf veins are made of vascular tissues. They are constitute by xylem and phloem that re
Symbiotic Nitrogen Fixers - Nutrient Cycles Of the symbiotic nitrogen fixing bacteria, species of Rhizobium form root nodules in legumes and are the most studied nitrogen fixe
describe food procurement and digestion in ciliates.
How Infections and Infestations cause PEM? Childhood infections (viral/bacterial) and parasitic infestations are almost always associated with PEM. These cause anorexia (loss o
advantages of cuticle of anthropodes
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The second category of isolating mechanism that may permit interspecific mating but ensures reduced viability is called post-mating isolating mechanism. This category could be subd
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