The upcoming discussion will update you about the difference between embryological characteristics of Protostomes and Deuterostomes. Difference # Protostomes: 1. Cleavage of Protostomes are spiral, determinate or mosaic. Bilateral-mosaic cleavage of some protostomes (e.g., nematodes). 2. In Protostomes, the blastopore either becomes the mouth, the anus forms a new structure (e.g., most of molluscs) or […]