NEET BIOLOGY

Detailed explanation-1: -Invertebrate chordates include tunicates and lancelets. Both are primitive marine organisms.

Detailed explanation-2: -Invertebrate chordates include tunicates and lancelets. Both are primitive marine organisms.

Detailed explanation-3: -Tunicates and lancelets are examples of invertebrate chordates since they have a notochord, but it does not develop into a vertebral column.

Detailed explanation-4: -A cephalochordate (from Greek: kephalé, “head” and khordé, “chord") is an animal in the chordate subphylum, Cephalochordata. They are commonly called lancelets.

Detailed explanation-5: -Chordates get this name from their characteristics known as “notochord, ” which plays a vital role in the chordate structure and movement. Chordates include both vertebrates and invertebrates that have a notochord. Invertebrate chordates do not have a backbone. Invertebrate chordates include tunicates and lancelets.