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

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