Mutsara wokutanga: Iboka re paraphyletic rinounganidza marudzi azvino uno zvikurusa kubva kuBurgess Shale kuenda kumasponges akare. Mutsara wechipiri: Iboka revanhu vanoita zvechihure rinounganidza marudzi ekare zvikuru kubva kuBurgess Shale kusvika kumasipongi emazuva ano. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
Kwete