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Question

What is the difference between vertebrates and chordates?


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Solution

Vertebrates:

Vertebrates are animals that have a backbone or vertebral column.

Chordates:

They are distinguished essentially by the existence of a notochord, a dorsal hollow nerve cord, and paired pharyngeal gill slits.

Difference between vertebrates and chordates:

Vertebrates

Chordates

1. Vertebrates are a wide category of creatures that have a backbone.1. Chordates are animals that have a notochord and a dorsally located hollow nerve cord.
2. They are made up of advanced chordates.2. They are made up of both primitive and sophisticated chordates.
3. In vertebrates, notochord is only present during embryonic stages.3. In lower chordates, notochord is persistent throughout the life.
4. They have a cartilaginous or bony skeleton and a vertebral column that surrounds the nerve cord.4. Invertebrate chordates lack a vertebral column and a cartilaginous or bony skeleton.
5. Vertebrates have limbs or fins.5. Chordate invertebrates lack limbs.
6. Vertebrates have jaws.6. Jaws are absent in chordates (invertebrates).
7. All vertebrates are chordates.7. All chordates are not vertebrates.

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