| Answer | Crossword Clue |
|---|---|
| phyla | a direct line of descent within a group |
| degrees | step in a direct line of descent or in the line of ascent to a common ancestor |
| directer | ing or passing in a straight line of descent from parent to offspring lineal direct ancestor |
| linebred | produced by breeding within a particular line of descent |
| linebreeding | the interbreeding of individuals within a particular line of descent usually to perpetuate desirable characters |
| linebreedings | LINEBREEDING, the interbreeding of individuals within a particular line of descent usually to perpetuate desirable characters |
