[52], Other animals, including most insects and many fish, have larger females. [6], One of the basic properties of life is reproduction, the capacity to generate new individuals, and sex is an aspect of this process.

Most sexually reproducing animals spend their lives as diploid, with the haploid stage reduced to single-cell gametes.

[31] Egg cells are often associated with other cells which support the development of the embryo, forming an egg. In mammals, the fertilized embryo instead develops within the female, receiving nutrition directly from its mother.

What is the American word for the British number plate? For many species, sex is not determined by inherited traits, but instead by environmental factors experienced during development or later in life.

[46], Many insects use a sex determination system based on the number of sex chromosomes. In birds, males often have a more colourful appearance and may have features (like the long tail of male peacocks) that would seem to put the organism at a disadvantage (e.g. [32] Most animals that live outside of water, however, use internal fertilization, transferring sperm directly into the female to prevent the gametes from drying up.

$1%{PRODUCTNAME} cannot be displayed in this, the mental faculty or power of vocal communication; "language sets homo sapiens apart from all other animals", the cognitive processes involved in producing and understanding linguistic communication; "he didn''t have the language to express his feelings", a systematic means of communicating by the use of sounds or conventional symbols; "he taught foreign languages"; "the language introduced is standard throughout the text"; "the speed with which a program can be executed depends on the language in which it is written", a system of words used to name things in a particular discipline; "legal terminology"; "biological nomenclature"; "the language of sociology", the text of a popular song or musical-comedy number; "his compositions always started with the lyrics"; "he wrote both words and music"; "the song uses colloquial language", (language) communication by word of mouth; "his speech was garbled"; "he uttered harsh language"; "he recorded the spoken language of the streets".

Each cell in the offspring has half the chromosomes of the mother and half of the father.

This page includes pronunciation, urdu meanings and examples October 06, 2020. dormant - in a condition of biological rest or suspended animation.

The male gamete, a spermatozoon (produced in vertebrates within the testes), is a small cell containing a single long flagellum which propels it. [59] This hypothesis says that, by demonstrating he can survive with such handicaps, the male is advertising his genetic fitness to females—traits that will benefit daughters as well, who will not be encumbered with such handicaps. https://www.youtube.com/channel/UCO3qkSYZ-00TgFbAQnpNFzw?view_as=subscriber Biology definition in urdu life/ living things. Multicellularity: Evolution of Differentiation".

What is the American word for the British garden? The word "biology" has 2 different meanings. Sometimes intersex individuals are called "hermaphrodite"; but, unlike biological hermaphrodites, intersex individuals are atypical cases and are not typically fertile in both male and female aspects.

In birds, which have a ZW sex-determination system, the opposite is true: the W chromosome carries factors responsible for female development, and default development is male. These idioms or quotations can also be taken as a literary example of how to use Foster son in a sentence. Mendelian genetics in eukaryotic life cycles", U.S. NIH. This article is about sex in sexually reproducing organisms.