Question 8
Animal KingdomWhich of the following phyla have members with both internal and external segmentation?
- A.Platyhelminthes
- B.Nematoda
- C.Annelida
- D.Mollusca
Show the answer and explanation
Answer: C (Annelida)
Explanation
In annelids like the earthworm the rings on the outside match internal partitions (septa) dividing the body cavity.