Are animals that lay eggs dinosaurs?
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Are animals that lay eggs dinosaurs?
These fossils suggest that the mother dinosaurs had just laid eggs when they were buried; they were not stealing them. Dinosaurs laid eggs in either of two ways. The characteristics of one way are still found in modern reptiles. The other way resembles that of birds.
Do all animals come from dinosaurs?
For example, dinosaurs are reptiles, a group that also includes turtles, crocodiles and snakes! Although they split off pretty early on, dinosaurs and these animals share common ancestors. That means that animals that were almost identical to the ones you can see today existed alongside dinosaurs!
What animals are not dinosaurs?
List Of Prehistoric Animals That Are Not Dinosaurs
- Andrewsarchus. Andrewsarchus was a large mammal that lived in the Paleogene period.
- Basilosaurus.
- Brygmophyseter.
- Castoroides.
- Coelodonta.
- Glyptodon.
- Hyaenodon.
- Mastodon.
What lay eggs but not a animal?
platypus
The platypus (Ornithorhynchus anatinus) has a puzzling array of features. Not only does it have that iconic duck bill, it lays eggs like a bird or reptile but feeds milk to its young like a mammal.
Do all reptiles lay eggs?
All reptiles, including aquatic ones, lay their eggs on land. Reptiles reproduce sexually through internal fertilization; some species are ovoviviparous (lay eggs) and others are viviparous (live birth).
Lobsters and other filter-feeding crustaceans first emerged millions of years before dinosaurs, and in fact the creatures we call horseshoe crabs (more closely related to spiders than modern crabs) appeared around 450 million years ago.
Are all snakes lay eggs?
Answer: No! While snakes are known for laying eggs, not all of them do so! Some do not externally lay eggs, but instead produce young by eggs that are hatched internally (or inside) the body of the parent. Animals that are able to give this version of live birth are known as ovoviviparous.