Study the Assertion statement followed by the Reason statement given below:
Assertion (A): |
Hemichordata was earlier considered as a sub-phylum under phylum Chordata but now it is placed as a separate phylum under non-chordata. |
Reason (R): |
Stomochord of hemichordates and notochord of chordates are homologous structures. |
1. |
(A) is True but (R) is False. |
2. |
Both (A) and (R) are True and (R) is the correct explanation of (A). |
3. |
Both (A) and (R) are True but (R) is not the correct explanation of (A). |
4. |
(A) is False but (R) is True. |
Subtopic: Phylum Hemichordata |