Circulatory-nervous-excretory systems
Do sponges contain circulatory, nervous and excretory systems? Answer: Sponges do not contain a nervous system neither circulatory nor excretory system.
Do sponges contain circulatory, nervous and excretory systems?
Answer: Sponges do not contain a nervous system neither circulatory nor excretory system.
What is the name of food bolus which passes through the stomach to duodenum ?
Give a brief description of the term secondary roots? In origin how secondary roots discriminate from shoots?
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Give a brief explanation of typical vegetation and typical fauna of temperate forests?
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Give a brief explanation of typical vegetation and typical fauna of tundras.
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State the contraceptive phenomenon of the IUD?
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