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Question
In suborder aphids, the vertebrae are
In suborder aphids, the vertebrae are
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Solution
The correct option is D Procoelous
The aphids are procoelous as the presacral centra are uniformly procoelous i.e., concave at the front, with a condyle at the rear that articulates with the posteriorly adjacent centrum. Occasionally free intermediate elements are present and ribs are absent.
Thus, the correct answer is option D.
The aphids are procoelous as the presacral centra are uniformly procoelous i.e., concave at the front, with a condyle at the rear that articulates with the posteriorly adjacent centrum. Occasionally free intermediate elements are present and ribs are absent.
Thus, the correct answer is option D.
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