Which is the following statements is true?
A. All chordates are vertebrates.
B. All vertebrates are chordates.
C. Non chordates have a vertebral column.
D. Invertebrates possess a tubular nerve cord.
Answer:B
Which is the following statements is true?
A. All chordates are vertebrates. B. All vertebrates are chordates. C. Non chordates have a vertebral column. D. Invertebrates possess a tubular nerve cord.