Which of the following statements about subphylum Vertebrata are true?
(a) Vertebrates have a dorsal hollow nerve cord.
(b) They exhibit a post-anal tail.
(c) Vertebral column replaces the notochord in adults.
(d) Heart is dorsal and three-chambered.
(e) Vertebrates have paired appendages.
Choose the correct answer from the options given below:
(a) ✔ Vertebrates have dorsal hollow nerve cord
(b) ✔ Endoskeleton present
(c) ✔ Notochord replaced by vertebral column in adults
(d) ❌ Heart is not always 3-chambered (fish 2, birds/mammals 4)
(e) ✔ Paired appendages present
Match List-I with List-II : Choose the correct answer from the options given bel
NextStatement I : Chordates are characterized by the presence of a notochord. Statem
Select the correct option in given table :
EasyFill in the blanks marked in the classification table from the choices in the box with respect to A,
MediumWhich of the following is incorrect ?
MediumStatement I : Chordates are characterized by the presence of a notochord. Statement II : All chordat
MediumMatch List-I with List-II : Choose the correct answer from the options given below:
MediumSpongilla is :-
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