Do echinoderms encompass an excretory system
Do echinoderms encompass an excretory system? How excretion done in these animals?
Expert
Echinoderms don’t encompass excretory system. Their excretions are eradicated through diffusion.
Define type I hypersensitivity in short?
Human behavior is need motivated. A person joins any organization basically to satisfy his varying needs. He faces a conflict within himself when he perceives that organization is not satisfying his needs in accordance with his perceived standards, in the words of Keith Davis,
Define the term antigen? Answer: Antigen is any particle, substance or infectious agent identified as foreign to the body. The contact of antigen with the body encou
Write down an example of cross-reaction.
Which cell division process is directly related to the embryonic growth?
Give a brief explanation of typical vegetation and the typical fauna of tropical forests.
Explain the term nutrient in brief? Answer: The nutrient is a substance which is employed in the metabolism and that is acquired from the diet. For illustration, vit
Determine the number of chambers does the bird heart and the mammalian heart consists of? Regarding temperature maintenance what is the benefit of the double and complete circulation of such animals?
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Define antigensity? Answer: The capability of an antigen to join particularly with the final products of immune response is termed as antigensity. <
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