Question

Is hemichordate and protochordate same?

Answer 1

Answer:

No.

Explanation:

Subphyla Urochordata & Cephalochordata are often referred to as Protochordates. These subphylums comes under the Phylum Chordata. While Hemichordata is another Phylum.

Hemichordata was earlier considered as a subphylum under phylum Chordata but now it is placed as a separate phylum under Non- Chordata.

Hence both are definitely not the same.

Answer 2

• Hemichordata is the phylum of sub kingdom non chordates.
• subphyla urochordata and cephalochordata of phylum chordata are also known as protochordates.
• Hemichordates have notochord like structure in proboscis region is called stomochord.
• but protochordates have notochord in one of their life stage.
• Hence Hemichordates and protochordates are not same.