Consider the given two statements:
Assertion (A): | Roundworms are considered pseudocoelomates. |
Reason (R): | They have a body cavity not lined with mesoderm. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | Both (A) and (R) are False. |
I: | having radial symmetry in adults and larvae |
II: | having three germ layers |
III: | lacking a coelom |