List of top Zoology Questions on Limnology asked in AP EAMCET

Fishes that exhibit anadromous migration are:

Match the following 

Lakes that show overturns twice a year are called:
In some non chordates, during embryonic development, mesoderm occupies only a part of blastocoel adjoining ectoderm. The unoccupied portion of blastocoel persists as.