Tube - within - a - tube organization was first found in
(A) Flatworm
(B) Roundworm
(C) Earthworm
(D) Cockroach
Answers
Answered by
2
Answer:
(B) Roundworm
Explanation:
hope it helps you
Answered by
1
Answer:
The answer of this question is Roundworm
Explanation :
Tube - within - tube body plan is shown by phylum Annelida. These are the characteristics of Annelida: Free-living, terrestrial or aquatic form (freshwater or marine). The body is long, cylindrical and metamerically segmented.
Eg. Roundworm
Similar questions