facultative
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
"Certain temperature conditions may foster all-female populations, which can be overcome through facultative parthenogenesis," he said.
From Salon • Jun. 10, 2023
Some species, termed facultative parthenogens, alternate between sexual and asexual reproduction.
From Scientific American • Jun. 9, 2023
Note that there is no clear line that differentiates facultative carnivores from omnivores; dogs would be considered facultative carnivores.
From Textbooks • Jun. 9, 2022
In some cantons the referendum is obligatory, in others it is "facultative," or optional.
From The Governments of Europe by Ogg, Frederic Austin
