In biology, offspring are the young creation of living organisms, produced either by a single organism or, in the case of sexual reproduction, two organisms. Collective offspring may be known as a brood or progeny in a more general way. This can refer to a set of simultaneous offspring, such as the chicks hatched from one clutch of eggs, or to all the offspring, as with the honeybee. WebbAs others with more expertise will say, there are many definitions of what a species is based on the particular field in question. One field in biology might define members of the same species as members which can interbreed and produce fertile offspring, because that is a useful convention from which to distinguish separate populations that have a …
Sterile Definition and Examples - Biology Online Dictionary
Webb2 juni 2024 · Breeding is a sexual reproductive method performed to produce offspring with desired or beneficial characteristics over generations. Desired individuals are selected and artificially crossed to make progenies. There are different types of breeding techniques. Inbreeding and outbreeding are two types. Webb5 okt. 2024 · A cultivar is a plant that has been grown from a stem cutting, grafting, or tissue cultures to ensure it retains the characteristics of the plant parent. Growing a plant from one of these plant's seeds may not produce the same plant as the parent. 1 In terms of how they come about in the first place, cultivars can begin as: Hybrid plants gb2312和gbk
1.1: Plants, Botany, and Kingdoms - Biology LibreTexts
WebbDarwinism designates a distinctive form of evolutionary explanation for the history and diversity of life on earth. Its original formulation is provided in the first edition of On the Origin of Species in 1859. This entry first formulates ‘Darwin's Darwinism’ in terms of five philosophically distinctive themes: (i) probability and chance, (ii) the nature, power and … Webb28 apr. 2024 · To get offspring in a ratio of 3:1 with traits that show complete dominance, the parents must be heterozygous. If the parents were homozygous dominant, they would produce only dominant … WebbProperties of Life. All groups of living organisms share several key characteristics or functions: order, sensitivity or response to stimuli, reproduction, adaptation, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life. gb2312楷体