Answer:
Chordates
Explanation:
The notochord is a flexible, rod like supporting structure, running dorsally for almost the whole length of the body. This is a distinctive feature of a chordate / animals with a back bone (vertebral column) Such animals belong to phylum Chordata.
Because they create their own food so they capture sunlinght to produce sugars
Use a large clay pot or a casserole (Don’t use cast iron or metal ones though, not suitable for cooking vinegar.)
The lymph system creates extra white blood cells.