Retrieving "Past Species" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

  1. Species

    Linked via "Past species"

    However, the BSC/) presents significant challenges:
    Asexuality: It is inapplicable to organisms reproducing solely asexually (e.g., many bacteria and some plants).
    Fossil Record: Past species cannot be tested for reproductive compatibility.
    Ring Species: Cases where adjacent populations are mutually interfertile, but populations separated by a distance are not, blur the species boundaries.