Protostomes have spiral determinate cleavage, blastopore forming the mouth, and schizocoelom, while Deuterostomes have radial indeterminate cleavage, blastopore forming the anus, and enterocoelom.
Protostomes exhibit spiral and determinate cleavage, with the blastopore forming the mouth and a schizocoelom formed by mesoderm splitting; Deuterostomes show radial and indeterminate cleavage, with the blastopore forming the anus and an enterocoelom formed by gut out-pocketing.
| Front | 3 differences bw Protostomes and Deuterostomes |
|---|---|
| Back | Protostomes 1) Spiral & determinate 2) Blastopore forms mouth 3) Schizocoelom: coelom forms by splitting of mesoderm. Deuterostomes: 1) Radial & indeterminate 2) Blastopore forms anus 3) Enterocoelom: coelom forms by out-pocketing of primitive gut. |
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