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One of the principal functions of the tube feet in brittle stars is ___________.
Q3: Most of the hydrozoans are colonial marine
Q4: The contention that what we experience mentally
Q8: The pulmonate snails lack gills,and their mantle
Q12: Multiple fission or schizogony is a type
Q15: Brachiopoda<br>A)are called bryozoans.<br>B)have a mantle and two
Q24: The flatworms are more derived (or advanced)than
Q24: The water current in the body of
Q43: The "9 + 2" tube of microtubules
Q61: Contrast the scientific views of Popper and
Q76: Scorpions respire by means of book lungs.