0
The mouth is formed second, after the anus.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoNo, the anus develops from the blastopore.
Add your answer:
Earn +20 pts
Are humans deuterostome?
Deuterostome. Anus is formed first.
What does the blastopore become?
At the stage of development when the gut forms there is only a single opening into the digestive track, this opening may become either the mouth or anus. In the echinoderms, chordates, and hemichordates the blastopore becomes the anus and a new opening forms the mouth, these are called deuterostomes
Are sponges deuterostome?
No, crayfish are not members of the superfamily called the Deuterostomes. They belong to the superfamilies' Parastacoidea and Astacoidea.
What approach to development did the Brundtland Commission propose?
Sustainable development
Is development a common noun?
Yes, development is a common noun.
Is a star fish a deuterostome?
During embryonic development, a deuterostome's first opening is its anus rather than its mouth. Starfish are a type of phylum that is classified as a deuterostome.
Is chordata deuterostome or protostome?
Chordata is a deuterostome. During development, deuterostomes form the anus first and the mouth second, whereas in protostomes, it is the opposite. Chordates, including humans, exhibit this deuterostome characteristic during embryonic development.
Why are enchinoderms considered to be closely related to chordates?
both have deuterostome development
What are echinoderms considered to be closely related to chordate?
both have deuterostome development...(:
What are echinoderms considered to be closely related to chordates?
both have deuterostome development...(:
Which body plan feature evolved first radial symmetry or deuterostome development?
Radial symmetry
Are humans deuterostome?
Deuterostome. Anus is formed first.
What does proto and deutero?
Protostome means the blastopore becomes the mouth during embryonic development, and deuterostome, the anus. We're deuterostomes.
Are planarians deuterostome?
They are neither a deuterostome or a protostome, since they only have one opening.
Are arthropods deuterostome?
Deuterostomes
What is a vertebral?
. A deuterostome with a backbone
What does the blastopore become?
At the stage of development when the gut forms there is only a single opening into the digestive track, this opening may become either the mouth or anus. In the echinoderms, chordates, and hemichordates the blastopore becomes the anus and a new opening forms the mouth, these are called deuterostomes
