Excretory organs known as Malpighian tubules are present in
A) flatworms.
B) insects.
C) jellyfish.
D) sea stars.
E) earthworms.
Answer: B
Excretory organs known as Malpighian tubules are present in
A) flatworms.
B) insects.
C) jellyfish.
D) sea stars.
E) earthworms.
Answer: B