Tissue complication-cnidarians from poriferans
Concerning tissue complication how different are cnidarians from poriferans?
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Cnidarians have true tissue discrimination; they present distinct organized tissues in body. Poriferans present only some dispersed specialized cells without tissue differentiation.
Give the name of the molecule which transports oxygen in red blood cells? Answer: The respiratory pigment of red blood cells is the hemoglobin.
Give a brief explanation of cross-reaction.
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