Site MapHelpFeedbackThinking Scientifically
Thinking Scientifically
(See related pages)

  1. Roundworms are tubular and have a complete digestive tract. What advantages can you associate with these anatomical features which might account for roundworms being more plentiful than flatworms.
    Answer
  2. You are taking a lab practical that covers just the phyla in this chapter. What criteria would you use to classify an unknown animal in one of these phyla?
    Answer







AP BiologyOnline Learning Center with Powerweb

Home > Chapter 29 > Thinking Scientifically