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The mouth is formed second, after the anus.
Deuterostome. Anus is formed first.
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
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There are many advantages to having somewhere to live. Having a place to live can protect one from unnecessary danger or exposure, especially from bad weather or strangers.
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.
both have deuterostome development...(:
both have deuterostome development
both have deuterostome development...(:
The mouth is formed second, after the anus.
Radial symmetry
Deuterostome. Anus is formed first.
Protostome means the blastopore becomes the mouth during embryonic development, and deuterostome, the anus. We're deuterostomes.
They are neither a deuterostome or a protostome, since they only have one opening.
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
. A deuterostome with a backbone
Deuterostomes