In which of the following animals, post anal tail is found?
A
Earthworm
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B
Snake
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C
Scorpion
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D
Lower invertebrate
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Solution
The correct option is B Snake Presence of post anal tail for balancing is a primary feature of chordates. Earthworm, lower invertebrates, scorpion are non-chordates while snakes (Reptilia) are chordates.