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Oogamy: Difference between revisions

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[[File:Sperm-egg.jpg|thumb|Oogamy in animals: small, motile sperm on the surface of an ovum]]
 
'''Oogamy''' is a commonextreme form of [[anisogamy]] where the gametes differ in both size and form. Almost all animals and land plants are oogamous.
In oogamy the large [[female]] [[gamete]] (also known as [[Egg cell|ovum]]) is immobile, while the small [[male]] gamete (also known as [[sperm]]) is mobile.<ref>{{Cite book |last=Fusco |first=Giuseppe |url=https://www.google.com/books/edition/The_Biology_of_Reproduction/AKGsDwAAQBAJ?hl=en-us&kptab=editions&sa=X&ved=2ahUKEwj79o7IpP7wAhVKHs0KHXLTC0EQmBYwAHoECAIQCQ|title=The Biology of Reproduction |last2=Minelli |first2=Alessandro |date=2019-10-10 |publisher=Cambridge University Press |isbn=978-1-108-49985-9 |pages=111–112 |language=en |author-link2=Alessandro Minelli|access-date=29 March 2021|url-status=live}}</ref> Oogamy is consideredalso an common extreme form of anisogamy with almost all animals and land plants being oogamous.
 
== Evolution ==