Describe the typical shape of poriferans
Describe the typical shape of poriferans?
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Sponges contain bodies in the form of tubular vases or globes open in an upper extremity. They contain an internal central cavity and porous walls. The central cavity is termed as spongocoel and the opening in upper extremity is termed as osculum.
What are blastopore and archenteron? What is the phase of the embryonic development in which such structures are formed? And what are the aims of the archenteron and blastopore?
What is Alzheimer’s disease?
Explain the defend mechanism of the body from the microorganisms and other harmful substances which may enter the airway during breathing process?
Thin layer chromatography is a method of chromatographic analysis where sample is separated between adsorbent and solven. The sample gets selectively adsorb depending on the rate of differential migration,but the sample with various disorders shows ex
How is light from sun converted into chemical energy to be utilized by the living-beings on earth?
State difference between complete and incomplete digestive system? How these types of digestive tubes Are associated to or not to extracellular digestion?
Describe the term inflammation?
Briefly differentiate the terms Perception and Sensation?
Where in the leaves is the photosynthetic tissue often is situated?
What do you mean by the term blind spot? Briefly illustrate it.
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