Which of the following is the smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and two pairs of limbs?
A. Gnathostomata
B. Tetrapoda
C. Vertebrata
D. Chordate
Answer:B
Which of the following is the smallest taxonomic group of animals having a cranium, vertebral column, ventral heart, pulmonary respiration and two pairs of limbs?
A. Gnathostomata B. Tetrapoda C. Vertebrata D. Chordate