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Which one of the following is a matching...

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- Chameleon

C

Ventral heart - Scorpion

D

Post-anal tail - Octopus

Text Solution

Verified by Experts

The correct Answer is:
A
Leech possesses a ventral central nervous system. Scorpion has a dorsal heart. Phyrygeal gill slits and post-anal tail are characteristic features of chordates. Chameleon is a chordate, so it possesses pharyngeal gill-slits in embryonic stage. Octopus is a non-chordate.
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