Multiple choice general knowledge science & technology How do dinosaurs gestate their young? At the edge of a river In eggs In shallow stagnant water In sacs of mucus suspended from tree branches Reveal answer Fill a bubble to check yourself B Correct answer Explanation Dinosaurs were oviparous, meaning they laid eggs. Fossil evidence shows nests, eggs, and even embryos inside eggs. This reproductive strategy is shared with modern birds and reptiles, their closest living relatives.