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Osmoregulation in unicellular eukaryotes is carried out chiefly by structures called ______________________.
Q1: The circulatory system of cephalopods is more
Q6: Coral reefs are limited to areas<br>A)of shallow
Q6: Characteristics of deuterostomes include<br>A)blastopore first become a
Q18: A labor system whereby a limited number
Q26: Multiple fission associated with spore formation is
Q28: The ophiuroids have no<br>A)pedicellariae.<br>B)papulae.<br>C)anus.<br>D)all of these
Q29: Which major sports' players were locked out
Q40: Humans become infected with Taenia saginatus when
Q45: Some appendages of crustaceans are two-branched,or _.
Q52: The percentage of government workers that are