Which of the following statements about chordates is true?
Correct answer: D. Their anus forms from the blastopore
- A. They are protostomes
- B. All chordates are vertebrates
- C. They lack a coelom
- D. Their anus forms from the blastopore
Explanation
Chordates are deustromes so the answer cannot be Option A. All vertebrates are chordates but not all chordates are vertebrates so the answer cannot be Option B. All chordates have a coelom so the answer cannot be Option C and their anus is formed first from blastopore so the answer is Option D.
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