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1)While the Lophophorata (this groups includes worms and mollusks) are a well-recognized group, phylogenetic (family tree) studies do not yet agree on the identity of their closest relatives.

True
False
2)The marine flatworms (polycladids) are the smallest of the free-living flatworms, sometimes reaching lengths of 15 centimeters.
True
False
3)Bilateria is a classification within Animalia, and are characterized by animals which are bilaterally symmetrical (with a left and a right side to their bodies).
True
False

1 Answer

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The right answer for the question that is being asked and shown above is that: "TRUE; TRUE; TRUE" (1) While the Lophophorata (this groups includes worms and mollusks) are a well-recognized group, phylogenetic (family tree) studies do not yet agree on the identity of their closest relatives. (2)The marine flatworms (polycladids) are the smallest of the free-living flatworms, sometimes reaching lengths of 15 centimeters. (3)Bilateria is a classification within Animalia, and are characterized by animals which are bilaterally symmetrical (with a left and a right side to their bodies).
User Eugene Retunsky
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