Q. Which of the following phyla have nephridia as an excretory structure?
A. Arthropods
B. Annelids
C. Platyhelminthes
D. Ctenophora
Answer: Annelids
We will be happy to hear your thoughts
A. Arthropods
B. Annelids
C. Platyhelminthes
D. Ctenophora
Answer: Annelids
