A reinterpretation of animal phylogeny (differing from morphologically based phylogeny) that was made possible by molecular techniques, was:
A. designation of the Ecdysozoa and Lophotrochozoa as clades
B. designation of the Bilateria as a monophyletic group
C. designation of annelids and arthropods as closely related
D. designation of rotifers and nematodes as closely related
E. placement of echinoderms and chordates in entirely different clades
A. designation of the Ecdysozoa and Lophotrochozoa as clades
You might also like to view...
The letter âFâ from the above figure represents
a. complement. b. MHC markers with antigen expressed to the surface of a cell. c. lysosome fusing with a phagosome. d. plasma membranes fusing. e. MHC recycling.
Refer to Figure 44-3. Which structure would carry blood to the systemic (body) circulation?
a. 1 b. 2 c. 6 d. 7 e. 14
The human population on Earth is expected to reach 9.7 billion people by
A) 2015. B) 2050. C) 2093. D) 3150.
Which of the following is not part of a flower?
Select one: a. stem b. sepal c. petal d. stamen e. carpel