The endosperm of a plant ____.

The endosperm of a plant ____.
  a. is the food supply for the new sporophyte plant
  b. is composed of haploid tissue
  c. protects the young embryo within a seed
  d. provides a connection between the ovary of a flower and a developing seed
  e. produces sperm cells

Question 2

Double fertilization produces nutrient tissue by the union of ____.
  a. two egg nuclei and one sperm nucleus
  b. two sperm nuclei and one egg nucleus
  c. two sperm nuclei and two egg nuclei
  d. one sperm nucleus and endosperm mother cell nuclei
  e. two sperm nuclei and one endosperm mother cell nucleus