In deuterostomes, the anus forms first while the mouth develops secondarily.
Protosomes are distingued by their embryo: in deuterostomes, the first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth.
Protosomes are distingued by their embryo: in deuterostomes, the first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth.
Formulieren Sie den Satz um, damit er einfacher ist: In deuterostomes, the anus forms first while the mouth develops secondarily. Ausgabe: