Evolutionary advantage of the occurrence of sperm cells
Write the evolutionary advantage of the occurrence of sperm cells and larval phase in the life cycle of sponges?
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Sexual reproduction in the sponges, in addition to distribute to genetic variability, as well facilitates the colonization of farther environments by such beings, as sperm cells and larvae are mobile and can swim in the exterior to compensate the immobility of adult individual.
In the chemical terms how is neuronal repolarization attained?
Explain the structure of central nervous system which regulates pulmonary respiration?
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Briefly explain what are haptens?
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