Where are the most complex fossils found?
The fossil record Fossils of the simplest organisms are found in the oldest rocks, and fossils of more complex organisms in the newest rocks.
Where in a rock formation will you find fossils of more complex organisms?
Younger rocks contain fossils of more complex organisms. In other words, the fossil record shows that life on Earth has evolved, or changed.
What layer of rock are fossils found in?
sedimentary rock
What are complex fossils?
Fossil layers are fossils that formed in sedimentary rock. As one looks farther up, at younger and younger rock layers, the fossilized plants and animals become more and more familiar until they are a lot like organisms that are around now. The organisms also tend to become more and more complex.
Which fossil is the youngest?
A dinosaur fossil believed to be the youngest ever found was discovered by Yale scientists in Montana’s Hell Creek formation, a study published in Biology Letters revealed. The 45-centimetre horn is understood to be from a triceratops.
Which animal group has the longest fossil record?
Jellyfish. Jellyfish are the oldest multi-organ animal in the world and have existed in some form for at least 500 million years. The oldest known definitive jellyfish fossil dates back to 500 million years.
What is the oldest animal on the planet?
Seychelles tortoise
What is the closest animal to a dinosaur today?
The closest living things to dinosaurs need to be taken a look at in terms of classification of species. Dinosaurs are classified as reptiles, a group that includes crocodiles, lizards, turtles, and snakes. Of this large group of animals, other than birds, crocodiles are the closest living things to dinosaurs.
What animal is closest to at Rex?
The closest living relatives of Tyrannosaurus rex are birds such as chickens and ostriches, according to research published today in Science (and promptly reported in the New York Times).
Which bird is closest to a dinosaur?
In fact, birds are commonly thought to be the only animals around today that are direct descendants of dinosaurs. So next time you visit a farm, remember, all those squawking chickens are actually the closest living relative of the most incredible predator the world has ever known!