Biology Forums - Study Force

In __________, one of the sperm cells in the pollen
  tube fertilizes the egg, forming a zygote; the other
  fuses with the endosperm mother cell and gives rise
  to __________. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

__________ is the arrival of pollen grains on a
  receptive stigma. Fill in the blank(s) with the appropriate word(s).
 

Content hidden

:white_check_mark: Correct!