[Campbell Biology P.738] Within the Deuterostomia clade, which statement accurately reflects... | Practice Question
Within the Deuterostomia clade, which statement accurately reflects the characteristics of Hemichordata, Chordata, or Echinodermata?
- A: All Chordata species possess backbones as adults.
- B: Hemichordates share traits with Chordates, including gill slits and a dorsal nerve cord.
- C: Echinoderms exhibit bilateral symmetry throughout their entire life cycle.
- D: The largest group of Hemichordates consists of marine animals that can grow up to 2 meters, but they lack a dorsal nerve cord.
Explanation
The text states: 'Hemichordates share some traits with chordates, such as gill slits and a dorsal nerve cord.' This directly supports option B.