Which one of the following is a matching pair of a
body feature and the animal possessing it?
(a) Ventral central – Leech
nervous system
(b) Pharyngeal gill slits – Chamaeleon
absent in embryo
(c) Ventral heart – Scorpion
(d) Post-anal tail – Octopus
body feature and the animal possessing it?
(a) Ventral central – Leech
nervous system
(b) Pharyngeal gill slits – Chamaeleon
absent in embryo
(c) Ventral heart – Scorpion
(d) Post-anal tail – Octopus