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levacccp [35]
3 years ago
8

What does it mean to be a deuterostome

Biology
2 answers:
Evgesh-ka [11]3 years ago
3 0
<span>an animal whose mouth develops from a second opening in the early embryo, opposite to the initial opening blastopore of the rudimentary gut. Chordates and echinoderms are deuterostomes.</span>
SSSSS [86.1K]3 years ago
3 0
Deuterostomia<span> is a subtaxon of the Bilateria branch of the subkingdom Eumetazoa, within Animalia, and are distinguished from protostomes by their deuterostomic embryonic development; in </span>deuterostomes<span>, the first opening (the blastopore) becomes the anus, while in protostomes, it becomes the mouth.</span>
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The two population will become separate species due to allopatric speciation

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Allopatric speciation is also known as geographic speciation. In this speciation two populations of the same species isolated geographically from each other which prevents gene flow between them and the two populations evolve separately and over time, it leads to the creation of a separate species.

So here as interbreeding within the hybrid zone of the mountain pass decreased over time so it will lead to speciation in these populations and they will evolve into two separate populations due to lack of gene flow as a result of geographical isolation.

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