Anagrams of: SPERMATOGONIA

• plants having seeds in a closed ovary

• an orienting response to gravity

• a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon

• large Arctic and subarctic grouse with feathered feet and usually white winter plumage

• contribute to the progress or growth of

• give a promotion to or assign to a higher position

• make publicity for; try to sell (a product)

• be changed for a superior chess or checker piece

• change a pawn for a better piece by advancing it to the eighth row, or change a checker piece for a more valuable piece by moving it to the row closest to your opponent

• the act of altering something secretly or improperly

• a star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon