A single pollen grain has 2 sperm. Double fertilization occurs when 1 of these sperm combines with the egg, and the other sperm combines with a cell (this is called endosperm) That is in order for the seed to keep being produced.Seed has to be germinated, and without the extra sperm (double fertilization) the plant couldn't germinate and would go extinct.
The function of the second fertilization is for the formation of the endosperm. The endosperm is responsible for supplying nutrients to the developing embryo.
it leads to development of triploid endosperms which provides sufficient food material to developing healty seeds.
because it produces on one side ovule n on the other hand it provides nutrional endospeerm
flowering plants
That's called a threesome
The Generative nucleus arrives at the embryo sac inside the ovule and undergoes division to produce two haploid male nuclei. One of the male nuclei fuses with the haploid female gamete nucleus and for a diploid zygote. The other Male nuclei fuses with 2 polar female gametes to produce the triploid nucleus. This is known as the endosperm nucleus and it acts as a food source for developing zygote.
Pollination
Fertilization in flowering plants is achieved by transferring the male gamete through pollen tube whereas in nonflowering plants the male male gametes are motile and transferred in aqueous medium.
flowering plants
flowering plants
Internal fertilization is considered more advantageous than external fertilization for various reasons. The unborn baby is protected in the internal fertilization from any external threats.
That's called a threesome
internal fertilization is, by definition advantageous because it is natural. In Vitro fertilization is advantageous for those who cannot have children naturally because it allows the miracle of birth to occur.
processes of double fertilization in flowering plants
The Generative nucleus arrives at the embryo sac inside the ovule and undergoes division to produce two haploid male nuclei. One of the male nuclei fuses with the haploid female gamete nucleus and for a diploid zygote. The other Male nuclei fuses with 2 polar female gametes to produce the triploid nucleus. This is known as the endosperm nucleus and it acts as a food source for developing zygote.
i dont think this question is appropriate for the answer
internal fertilization is, by definition advantageous because it is natural. In Vitro fertilization is advantageous for those who cannot have children naturally because it allows the miracle of birth to occur.
Seed plants produce seeds to overcome the adverse environmental conditions whereas seedless plants overcome the adverse environmental conditions by vegetative parts such as tubers, gemma cups or even spores. Since formation of seed involves genetic advance seed formation for reproduction is more successful in nature.
Pollination
ovary