Biology — Modes of Speciation
Allopatric and sympatric speciation.
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digraph Speciation {
node [shape=box, style=rounded];
Speciation -> "Allopatric (geographic isolation)";
Speciation -> "Sympatric (same area)";
"Allopatric (geographic isolation)" -> "Reproductive isolation";
"Sympatric (same area)" -> "Reproductive isolation";
"Reproductive isolation" -> "New species";
}