Which one is common feature of Amphioxus, frog, seahorse and crocodile?

Skeleton of cartilage and bone.

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Pharyngeal gill slits at least in developmental stages.

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Dorsal solid nerve cord.

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Three chambered heart.

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Solution

The correct option is B Pharyngeal gill slits at least in developmental stages.
This is one form of respiration in developmental stages.

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Similar questions

Q. Phylum Chordata is characterised by the presence of
A. notochord
B. dorsal hollow nerve cord
C. paired pharyngeal gill slits

Q. Animals of this phylum have a characteristic feature of presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. Within this phylum is an advanced group called as vertebrates which include fish, amphibians, reptiles, birds and mammals.

Animals with a double ventral notochord, dorsal nerve cord, pharyngeal gill slits and a post anal tail are placed in the highly evolved phylum called_____.

Q. Pharyngeal gill slits are dorsal in

Name the phylum in which dorsal nerve tube, notochord and pharyngeal gill clefts are present.

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Which one is common feature of Amphioxus, frog, seahorse and crocodile?

The correct option is B Pharyngeal gill slits at least in developmental stages.This is one form of respiration in developmental stages.

The correct option is B Pharyngeal gill slits at least in developmental stages.
This is one form of respiration in developmental stages.