Chordata
Chordates are divided into three basic groups: vertebrates, tunicates, lancelets. Of these, the vertebrates (lampreys, mammals, birds, amphibians, reptiles and fishes) are the most familiar and are the group to which humans belong
Chordata all have:
Chordates are divided into three basic groups: vertebrates, tunicates, lancelets. Of these, the vertebrates (lampreys, mammals, birds, amphibians, reptiles and fishes) are the most familiar and are the group to which humans belong
Chordata all have:
- notochord
- dorsal tubular nerve cord
- pharyngeal pouches and slits
- endostyle or thyroid
- postnatal tail (its too short to see on humans)