dead clade walking
基礎(chǔ)科學(xué)

        Definition:The phrase Dead Clade Walking refers to the fact that some clades(groups)oforganisms which survive mass extinctions either become extinct a few million years after themass extinction or fail to recover in numbers and diversity.死支漫步sǐ zhī màn bù......（本文共 275 字）     [閱讀本文] >>