Double fertilization reduces the energetic cost of reproduction.In gymnosperms,the female gametophyte stockpiles food for the embryo in advance of fertilization.The investment is wasted if no zygote ever forms.In contrast,double fertilization ensures that an angiosperm devotes energy to the zygote only if sperm fertilizes egg.Where is this energy stored in a fertilized angiosperm?

Question

Quizplus · Accepted Answer

The endosperm is a triploid tissue that forms after double fertilization in angiosperms. It is responsible for storing energy and nutrients that are used to support the growth and development of the embryo during seed germination. Therefore, the energy invested in reproduction is stored in the endosperm of a fertilized angiosperm.

Double Fertilization Reduces the Energetic Cost of Reproduction