Question

Which of the following statement is incorrect?
(1) In all protochordates, notochord is present
only in larval tail and is absent in adult
(2) Vertebrates possess notochord during their
embryonic period
(3) Fishes, amphibians and reptiles lack the
capacity to regulate their body temperature
(4) Presence of feathers, beak, wings, pneumatic
bones and air sacs in birds highlight some of
the aerial adaptations

Answer 1

Answer:

3rd statement here is incorrect

hope that helps !!

Answer 2

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