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What is Cardeta and non Cardeta …

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What is Cardeta and non Cardeta and gives some examples
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Gaurav Seth 5 years ago

 

 CHORDATES  NON-CHORDATES
1) Animal having a notocord or backbone in their body structure are called chordates. 1) Animals without a notochord are called non-chordates.
2) Central nervous system is hollow and dorsal. 2) It is solid and ventral.
3) Heart is ventrally placed. 3) If present, it is on the dorsal side.
4) Haemoglobin is present in the RBCs. 4) If present, it is dissolved in the plasma.
5) Post **** tail is present. 5) It is absent in them.
6) Pharyngeal gill slits is present at some stage of life. 6) It is absent in them.
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