What are hermaphrodites & give an example
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Answer:
hermaphrodite (/hɜːrˈmæfrədaɪt/) is an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.[1] Many taxonomic groups of animals (mostly invertebrates) do not have separate sexes.[2] In these groups, hermaphroditism is a normal condition, enabling a form of sexual reproduction in which either partner can act as the "female" or "male". For example, the great majority of tunicates, pulmonate snails, opisthobranch snails, earthworms, and slugs are hermaphrodites. Hermaphroditism is also found in some fish species and to a lesser degree in other vertebrates. Most plants are also hermaphrodites.
Mating Cornu aspersum (garden snails)
Historically, the term hermaphrodite has also been used to describe ambiguous genitalia and gonadal mosaicism in individuals of gonochoristic species, especially human beings. The word intersex has come into usage for humans, since the word hermaphrodite is considered to be misleading and stigmatizing,[3][4] as well as "scientifically specious and clinically problematic."[5]
A rough estimate of the number of hermaphroditic animal species is 65,000.[6] The percentage of animal species that are hermaphroditic is about 5%. (Although the current estimated total number of animal species is about 7.7 million, the study,[6] which estimated the number, 65,000, used an estimated total number of animal species, 1,211,577 from "Classification phylogénétique du vivant (Vol. 2)" - Lecointre and Le Guyader (2001)). Most hermaphroditic species exhibit some degree of self-fertilization. The distribution of self-fertilization rates among animals is similar to that of plants, suggesting that similar processes are operating to direct the evolution of selfing in animals and plant
Answer:
hermaphroditism is a normal condition, enabling a form of sexual reproduction in which either partner can act as the "female" or "male". For example, the great majority of tunicates, pulmonate snails, opisthobranch snails, earthworms, and slugs are hermaphrodites.
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