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Q10: The circulatory system of most molluscs is<br>A)hydraulic.<br>B)incurrent.<br>C)closed.<br>D)excurrent.<br>E)open.
Q16: Matter moves through ecosystems in<br>A)biogeochemical cycles.<br>B)living systems
Q20: The nematodes are commonly known as<br>A)flatworms.<br>B)segmented worms.<br>C)roundworms.<br>D)beard
Q21: The proboscis worms belong to the phylum<br>A)Proboscisoidea.<br>B)Nematoda.<br>C)Gnathostomulida.<br>D)Aspidogastrea.<br>E)Nemertea.
Q24: Chelicerates have a cephalothorax,also known as the
Q27: Identify and explain two ways Tchaikovsky's music
Q28: The rasping structure occurring in the mouth
Q34: Factories in London tended to employ unskilled
Q39: According to architect Louis H.Sullivan,a building's identity
Q62: In larger species of turbellarians,the highly branched