State the role of double fertilisation in ensuring the survival of flowering plants.
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1.Two products are obtained as a result of double fertilization.

2 There are chances of polyembryony, and the plant has better chances of survival.

3.Double fertilization gives rise to an endosperm that provides nourishment to the developing embryo.

4.It increases the viability of the seeds of angiosperms.

5.It utilizes both the male gametes produced by the pollen grains.

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a