Question

1. what are the names of the subphyla of the phylum chordata? select all that apply.

□ echinodermata
□ urochordata
□ vertebrata
□ cephalochordata

Explanation:

The phylum Chordata has three main subphyla: Urochordata (or Tunicata), Cephalochordata, and Vertebrata. Echinodermata is a separate phylum, not a subphylum of Chordata. So we select the options that are subphyla of Chordata.

Answer:

B. Urochordata, C. Vertebrata, D. Cephalochordata