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Definitions

facultative

[fak-uhl-tey-tiv] / ˈfæk əlˌteɪ tɪv /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some require fertilization to produce seeds, while others can also reproduce without fertilization, a process known as facultative agamospermy.

From Science Daily • Dec. 20, 2025

However, there remain many unknowns about parthenogenesis, particularly the form known as facultative parthenogenesis, which is quite rare and only happens in animals that sexually reproduce.

From Salon • Jul. 28, 2023

Some species, termed facultative parthenogens, alternate between sexual and asexual reproduction.

From Scientific American • Jun. 9, 2023

Animals that exhibit facultative migration can choose to migrate or not.

From Textbooks • Jun. 9, 2022

Finally, they so far unwind their bonds and evolve their facultative potencies as to attain the rank of rational minds in the grade of humanity.

From The Destiny of the Soul A Critical History of the Doctrine of a Future Life by Alger, William Rounseville




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