D... Don't tell me their mouths are!?Probably not.ProtostomesOrganisms whose blastopores become the mouth without change while the anus is formed separately.
The blastopore is the first opening that forms in embryonic development, either becoming the mouth or anus.DeuterostomesOrganisms whose blastopores form the anus, not the mouth, while the mouth is formed separately.Arthropods, mollusksVertebrates, echinodermsWait, to them, are our mouths-!?Don't say any more than that.
Organisms whose blastopores become the mouth without change while the anus is formed separately.
The blastopore is the first opening that forms in embryonic development, either becoming the mouth or anus.
Deuterostomes
Organisms whose blastopores form the anus, not the mouth, while the mouth is formed separately.
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