19. Cephalization is most closely associated with which of the following? (A) sedentary lifestyle. (B) concentration of sensory structures at the anterior end. (C) predators, but not prey (D) a backbone

2. Genetically engineered plants (A) are more difficult to engineer than animals. (B) include a transgenic rice plant that can help prevent are more difficult to engineer than animals t vitamin A deficiency. (C) are being rapidly developed, but traditional plant breeding programs are still the only method used to develop new plants. (D) are able to fix nitrogen themselves

19. Cephalization is most closely associated with which of the following?
(A) sedentary lifestyle.
(B) concentration of sensory structures at the anterior end.
(C) predators, but not prey
(D) a backbone

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