Now extinct, dinosaurs were large, land-dwelling reptiles that roamed the Earth during the Mesozoic Era. The middle part of the Jurassic period, the Dogger epoch was about 180 to 159 million years ago. Dromaeosaurids A group of dinosaurs from the Cretaceous period that were carnivorous, bipedal, small, fast and intelligent. The velociraptor is part of the dromaeosaurid family.
Some animals hatch from eggs, even dinosaurs.
A jelly coating protects amphibian eggs and shells protect bird eggs. Embryo An animal or plant in the earliest stages of development. Era Two or more geological periods comprise an Era, which is hundreds of millions of years in duration. The gradual and continuous process by which the first and most primitive of living organisms have developed into the plants and animals of today. Extinct When an animal species dies out this is known as extinction.