Molecular techniques led to the reinterpretation of morphologically based phylogeny such that
A. Ecdysozoa and Lophotrochozoa were designated as clades.
B. Bilateria was designated as a monophyletic group.
C. annelids and arthropods were designated as closely related.
D. rotifers and nematodes were designated as closely related.
E. echinoderms and chordates were placed in entirely different clades.
A. Ecdysozoa and Lophotrochozoa were designated as clades.
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a. tracheal system tubes b. human lungs c. external gills d. internal gills e. bird lungs
The filtering of lymph and the initiation of immune responses to foreign material are functions of what organ(s)?
A. Lymph Nodes B. Spleen C. Thymus D. Tonsils
the phenotypic ratio for a dihybrid cross is
What will be an ideal response?
Which of the following is not a function of the endocrine system?
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