1. Tardigrade
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  3. Biology
  4. Go through the following flow chart for division of subphylum vertebrata. Fill the gaps A, B, C and D and select the correct option. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/f7830196ce9c0d8411f1e8db7bcf7792-.png /> A B C D (a) Ostracodermi Cyclostomata Pisces Tetrapoda (b) Cyclostomata Ostracodermi Pisces Tetrapoda (c) Ostracodermi Tetrapoda Cyclostomata Pisces (d) Pisces Ostracodermi Tetrapoda Cyclostomata

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Q. Go through the following flow chart for division of subphylum vertebrata. Fill the gaps A, B, C and D and select the correct option.
image
A B C D
(a) Ostracodermi Cyclostomata Pisces Tetrapoda
(b) Cyclostomata Ostracodermi Pisces Tetrapoda
(c) Ostracodermi Tetrapoda Cyclostomata Pisces
(d) Pisces Ostracodermi Tetrapoda Cyclostomata

Animal Kingdom

Solution:

Subphylum Vertebrata is divided into two divisions. They are agnatha (jawless) and gnathostomata (with jaw). Agnatha are further divided into two dasses-Ostracodermi, which is extinct and Cyclostomata (e.g., hag fish). Jawed vertebrates are divided into two superdasses-Pisces (true fish) and Tetrapoda (four limbs).