The energy releasing process that does not require oxygen is called anaerobic respiration<span>. This is mainly used by organisms who live in areas with little oxygen such as at the bottom of the ocean.</span>
Explanation:
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The reason is as per the characteristics of living organism, they multiply their number (replicate) and feeds on various host body.
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"Secretes excess water as sweat" is the one role among the following choices given in the question that the <span>skin play in the excretory system. The correct option among all the options that are given in the question is the first option or option "A". I hope that the answer has actually come to your help.</span>
Purines; like adenine and guanine.
