It stands for high school
The word "sufferer" has both "ff" and "rr" in it.
which of mikes traits are heterozygous? Gg or ee or CC or Ff
I presume you mean does it use asexual reproduction. Cacti are flowering plants which reproduce sexually.
Yes, a genotype of TT or ff indicates a purebred individual for a specific trait. TT signifies homozygous dominant, while ff signifies homozygous recessive.
my guess is that ff stands for Flip Flop ie Back Handspring
friends forever
It means "and the following", usually when the subject continues to the next page/pages.
22 players on a football field
377
FF-FF-FF-FF-FF-FF
if you mean in music, it means fortisimo which means really loud ;)
ff means 'and following', meaning that the topic of interest continues into the next verses (for a Bible reference) or onto the next pages (for other references.
Full figure. Fully Functional!
ff
100 yards on a football field
in a computer game it means: Friendly fire