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The primary site of the exchange of nutrients,gases,and waste between the pregnant female mammal and the fetus is the
Q2: A fossil often depicted as an example
Q5: The cell theory states:<br>A) all organisms are
Q14: The traditional classification system places birds in
Q29: An agent would make a good antibiotic
Q31: The _ are the "pouched" mammals.<br>A)monotremes<br>B)marsupials<br>C)ungulates<br>D)true placental
Q32: Crocodilians are oviparous and display parental care
Q32: In the stomach of a mammal,food is
Q36: A multicellular,photosynthetic organism with complex,specialized cells and
Q38: The _ of the amphibian middle ear
Q69: The moon lacks life and varies dramatically