Today, birds are the only feathered animals alive.Birds today make nests, lay eggs and tend to babies. Fossil research shows that some dinosaurs also laid cggs and made nests.Also, birds have wishbones and hollow bones, which are bones that don't weigh much and allow birds to take more ...
Are there any Neanderthals alive today?Question:Are there any Neanderthals alive today?Neanderthals:Neanderthals are a Eurasian branch of the human evolutionary tree. They lived between 400 000 and 40 000 years ago, and are now extinct. The...
Today’s crocodiles, which in scientific terms are part of theCrocodiliaOrder, first appeared about 95 million years ago. That was 30 million years before dinosaurs went extinct. Crocodiles and birds (yes, birds!) are the only two surviving members of Archosauria, which we’ll discuss more of...
However, there are still some things we can be sure of. For example, we know that these animals were very large, much larger than any animals alive today. They also had long necks and tails, and some had horns.It is interesting to think about what these animals might have been like ...
These reptiles have roamed the oceans for 100 million years. We've put them at risk, but with a little help, they're rebounding.
The connections between birds and their scalier kin might have been easier to grasp if there hadn't been a mass extinction event 66 million years ago. "The reason why birds seem so strange compared to the rest of the reptiles that we have alive today is because all the evolutionary interme...
“Gampa! Is the Moon still there?” He saw it last night, but not today. “Should be.” We walked on. “Can you see the Moon now?” I asked. Silas leaned around my legs, looking above the neighbor’s rooftop. He tilted his head left, then right. “Peek-a-boo, Moon!” With ...
Question: Despite recent extinctions, the majority of species that ever were alive are still alive today. (a) True (b) False. Mass Extinction: Mass extinction is a natural phenomenon that is characterized by a sudden and massive reduction in the earth...
“Gampa! Is the Moon still there?” He saw it last night, but not today. “Should be.” We walked on. “Can you see the Moon now?” I asked. Silas leaned around my legs, looking above the neighbor’s rooftop. He tilted his head left, then right. “Peek-a-boo, Moon!” With ...
Are pterosaurs birds, dinosaurs, or mammals? The answer? D:none of the above! Because they flew and their front limbs stretch out to the sides, they are not dinosaurs. Are pterosaurs avian? Or was it some kind of toothed, clawed, winged bird? ... Today's scientific consensus is that...