Respuesta :
Option (D) The pore (blastopore) formed during gastrulation becomes the anus is correct.
All deuterostomes have the pore (blastopore) formed during gastrulation becomes the anus.
What is deuterostomes?
- Animals classified as deuterostomia often have anus that develops before mouth during embryonic development.
- Protostomia is the sister clade to the group, which includes animals with more diversified digestive tract development. Deuterostomes include creatures like vertebrates, sea stars, and crinoid.
- Chordata, which includes vertebrates, Echinodermata, which includes starfish, and Hemichordata are the three main clades of deuterostomes (e.g. acorn worms).
- Deuterostome embryonic cleavage patterns, embryonic blastomeres, the blastopore, formation of the mesoderm, and formation and arrangement of the coelom are some of the hallmarks of development throughout the early stages of life.
Learn more about deuterostomes here:
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