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A gamete is, by definition, a single cell.In animals a male gamete is called a spermatozoon (plural spermatozoa), or simply sperm or sperm cell. A female gamete is an ovum (pl ova), or unfertilized egg. (A fertilized egg is a zygote.)In lower plants, such as mosses and ferns, the male gamete may be called a sperm or an antherozoid.In flowering plants, the male gamete is a nucleus within the pollen grain.
ovum
It is called gamete. In animals the male gamete is always a sperm. In most flowering plants the male gamete is also called sperm.
The male gamete is called a sperm cell. A uniflagellar sperm cell that is motile is referred to as a spermatozoon, whereas a non-motile sperm cell is called a spermatium. The female gamete is called an egg cell. They are also known as ova (singlular = ovum).
The process of gamete fusion is called fertilization. This process forms a diploid cell also known as a zygote.
Pollination
A gamete. It might be a bit too broad though. In animals the male gamete is always a sperm. In most flowering plants the male gamete is also called sperm.
The female gamete is called an ovum or an egg. This is the cell that is fertilized by the male gamete known as the sperm.
This process is simply pollination.
A gamete is, by definition, a single cell.In animals a male gamete is called a spermatozoon (plural spermatozoa), or simply sperm or sperm cell. A female gamete is an ovum (pl ova), or unfertilized egg. (A fertilized egg is a zygote.)In lower plants, such as mosses and ferns, the male gamete may be called a sperm or an antherozoid.In flowering plants, the male gamete is a nucleus within the pollen grain.
ovum
The Female Gamete is not called an egg. Technically, it's an Ovum. Just check out dictionary.com : )
Embryo sac is the female gametophyte of flowering plants. Situated in the flower. It is dependent on the sporophyte (what we call plant) for nutrition. here the gametophyte is reduced and sporophyte is dominant.In lower plants the female gametophyte is prominent and independent where it can photosynthesize. Usually it is called as a thallus. Here the sporophyte is reduced and the gametophyte is dominant.
ovum
The union of male gamete with female gamete during sexual reproduction is known as fertilization. In lower plants, the male gamete travels through its flagella in liquid medium to reach up to the egg of the female gamete to unite but in higher plants, male gametes are contributed by the pollen grains and female gamete develops in the ovary or embryosac. After pollination, the pollen grain germinates and sends a pollen tube towards the female gamete. Reaching the egg the male gametes travelling in the pollen tube are discharged and one of the male gamete fuses with the egg to form the zygote for embryo development and the other gamete of the same pollen grain fuses with the secondary nucleus (in case of Angiospermic plants) to form the primary endosperm nucleus. This double fusion of male gametes in angiospermic plants is known as double fertilization.
The male gamete is a sperm. The female gamete is an ova or egg.
The female gamete is the egg or ovum.