Question

mention 4 characteristic features that all chordates possess

Answer 1

hey mate... here's your answer...
- presence of closed circulatory system
- notochord present at least at some stages of life
- central nervous system is dorsal, hollow and single
- heart is ventral ....

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Answer 2

1)Development of mesodermal skeletal rod, called notochord

2)Development of paired gill slits in pharynx

3)Presence of an unpaired dorsal, hollow, nerve cord

4)Presence of post anal tail