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What is the system that permits movement and fixation to echinoderms?
The system that allows movement and fixation to substrates in echinoderms is known as the ambulacral system. In these animals water enters by a structure called madreporite, passes by channels and reaches the ambulacral feet in the undersurface of the body. In the ambulacral region in contact with the substrate, there are tube feet filled and emptied by water therefore acting as suckers
Explain Procedure for Checking the Presence of Rhodamine B? Conduct the experiment following the procedure given herewith: 1. Pour liquid paraffin or mineral oil in a Petri
Explain Pedicellaria in brief? Defensive pincerlike structures found on the surface of echinoderms. They are capable of responding to external stimuli independently from the ma
Describe Schizocoelus and its role. One of two ways that a body cavity forms within mesoderm. (The other is enterocoelic pouching.) Block of mesoderm splits apart to create the
Q. What are the effects of somatostatin for the pancreatic hormonal secretion? Somatostatin inhibits both glucagon and insulin secretions.
Explain the Health Economics? Health economics concentrates on application of the principles and rules of economics in the sphere of health. In broad terms, it includes analysi
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Defects in Human Development 1) For instance, when a pregnant woman drinks alcohol her embryo is exposed to similar concentration of alcohol as is in her blood. The alcohol ma
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Aim: To prove that Carbon dioxide is essential for photosynthesis. Apparatus: A potted healthy plant with long and narrow leaves, a wide mouthed glass bottle, split cork. Chemicals
Explain the Nutrition of Fungi? Fungi grow in moist environment and are chemoorganoheterotrophs. What do we mean by chemoorganoheterotrophs? The term chemotroph describes organ
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