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The egg cell or ovum (pl.: ova) is the female reproductive cell, or gamete, [1] in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is not capable of movement (non- motile ).
Female: Differs from cerberus female in the much greater extent of the black on the hindwing. Interspace 1 with a pale dusky-white patch in the middle; interspace 7 with an inner and an outer yellow spot; cell entirely black or nearly so, sometimes, but rarely, with the yellow extended into the apex. Wingspan of 165–175 mm.
The human female reproductive system is made up of the internal and external sex organs that function in the reproduction of new offspring. The reproductive system is immature at birth and develops at puberty to be able to release matured ova from the ovaries , facilitate their fertilization , and create a protective environment for the ...
Women in Sri Lanka make up to 52.09% of the population according to the 2012 census of Sri Lanka. [7] Sri Lankan women have contributed greatly to the country's development, in many areas. Historically, a masculine bias has dominated Sri Lankan culture , although woman have been allowed to vote in elections since 1931 . [ 8 ]
This is a list of reptiles of Sri Lanka. The reptilian diversity in Sri Lanka is higher than the diversity of other vertebrates such as mammals and fish with 181 reptile species. All extant reptiles are well documented through research by many local and foreign scientists and naturalists.
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A sexual system is a distribution of male and female functions across organisms in a species. [1] [2] The terms reproductive system and mating system have also been used as synonyms. [3] Sexual systems play a key role in genetic variation and reproductive success, and may also have led to the origin or extinction of certain species. [4]
Location of ovules inside a Helleborus foetidus flower. In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the integument, forming its outer layer, the nucellus (or remnant of the megasporangium), and the female gametophyte (formed from a haploid megaspore) in its center.