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Q. How be able to the excretory system of annelids be described?
In each segment (metamere) of the being a pair of complete excretory structures known as metanephridium exists. The metanephridium has an extremity, the nephrostoma, which collects residuals from the coelom, causing reabsorption and filtering them along its extension similar to human nephron tubules. The material to be excreted goes out through a pore, the nephridiopore, which opens in the body surface.
Q. After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible i
How potassium is essential for the following physiological functions It is vital for photosynthesis. When K + ion is deficient, photosynthesis declines and respiration incr
How do you determine if a molecule is polar or non-polar? A polar molecule is a molecule that has a net dipole moment because of its having unsymmetrical polar bonds
What Is the advantage of having a coelomic body cavity
Factors that affects Oxygen Dissociation Curves Oxygen dissociation curve for a sample of blood is affected by several factors. The most important of them are: Te
Name two possible why the number of live bacteria cell have reached the stationary growth by 60hrs and start to die off after 12hrs?
Q. Define Eye Balling? Ans. Two-dimensional echocardiography provides a good visual perception of cardiac functions. With experience, the echocardiologist learns to percei
Cytokinins - Apical Dominance Cytokinins are also involved in the regulation of apical dominance. Wickson and Thimann studied the interaction of cytokinins and auxins in contr
Chambers of the Heart The heart is divided into two halves by a muscular wall or septum, the right heart and the left heart. The function of the right heart is to collect
#question.which annelids shws bioluminescence .
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