Which one of the following is a matching pair of a body feature and the animal possessing it?
A. Ventral central nervous system – Leech
B. Pharyngeal gill slits absent in embryo – Chamaeleon
C. Ventral heart – Scorpion
D. Post-anal tail – Octopus
Answer:A
Which one of the following is a matching pair of a body feature and the animal possessing it?
A. Ventral central nervous system – Leech B. Pharyngeal gill slits absent in embryo – Chamaeleon C. Ventral heart – Scorpion D. Post-anal tail – Octopus