. . "07426893-n"^^ . "106972391"@en-us . . . "105525495"@en-us . . . "passing from a more complex to a simpler biological form"@en-us . "retrogression"@en-us . . . . "107426893"^^ . . . . . "0"^^ . . . "degeneration"^^ . . . . "0"^^ . "degeneration"@en-us .