Question
Biology Question on Classification Of Animals
Trochophore larva is found in
A
Annelida and Mollusca
B
Annelida and Cnidaria
C
Annelida and Ctenophora
D
Annelida and Arthropoda
Answer
Annelida and Mollusca
Explanation
Solution
The trochophore larva is minute, translucent and more or less pear-shaped structure. It also has a circle of cilia. It is found in molluscs and annelids with primitive embryonic development. This is a clear evidence that the annelids originated from molluscs.