In which of the following animal, post anal tail is found?
A
Earthworm
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B
Lower invertebrate
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C
Scorpion
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D
Snake
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Solution
The correct option is B Snake The spinal cord extends beyond the animal's anus present in the posterior region of the body is a post-anal tail. Postanal tails are a feature of all chordates and therefore out of four options, the snake will possess the post-anal tail.