ScienceAugust 15, 2026
viviparity
viv-ih-PAIR-ih-tee
Definition
The biological reproductive strategy in which an organism gives birth to live young rather than laying eggs.
Etymology
Derived from the Latin 'vivus' (alive) and 'parere' (to bring forth/bear), combined to describe the act of bringing forth living offspring.
In the news
The article uses the term to describe the reproductive mode of mammals, noting that researchers found evidence of it in a 236-million-year-old fossilized cynodont.
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