Any group of vertebrate animals that lived between 225 and 65 million years ago.
What is a dinosaur
100
An animal with a backbone, or spine.
What is a vertebrate
100
An animal that eats both plants and animals
What is an omnivore
100
The first dinosaurs lived about _____ million years ago
What is 225
100
The last dinosaurs became extinct about ______ million years ago
What is 65
200
An animal without a backbone, or spine
What is an invertebrate
200
No longer living anywhere on earth
What is extinct
200
Having a body temperature that stays the same, no matter what the surrounding temperature is.
What is a warm-blooded organism
200
Dinosaurs were like ____, their skin was covered with scales and they laid eggs
What is birds
200
Most fossils can be found in ________ rocks
What are sedimentary rocks
300
Having a body temperature that is warmed or cooled by the surrounding air, water, or land
What is a cold blooded animal
300
An animal that eats only plants
What is an herbivore
300
A scientist who studies the history of life on earth.
What is a paleontologist
300
Dead animals that became fossils usually were buried under mud, _____, or silt shortly after an animal's death
What is sand
300
Dinosaurs were classified into two main groups: Saurischia (Lizard hipped) and _________ (Bird hipped).
What is Ornithischia
400
Organism that eats only animals
What is a carnivore
400
Preserved remains or traces of an organism.
What is a fossil
400
A fossil that shows a change that an animal made in its environment long ago, such as a footprint
What is a trace fossil
400
Saurischia was divided into two smaller groups, those that walked on ____ legs and ate meat, and those that walked on ____ legs and ate plants.
What is two, and four
400
Ornithischia were plant eaters and their bodies were covered in armor that helped protect them from _____
What are predators.
500
Special body feature or behavior that helps an organism stay alive
What is an adaptation
500
To sort things into groups based on ways that the things are alike
What is to classify something
500
A fossil that shows what a plant or animal looked like
What is a body fossil
500
During the Ordovician Period, the area where Cincinnati is today was covered by ______
What is a shallow sea
500
Scientists believe that a huge ________ struck earth and a dust cloud blocked out much of the sun's light for many years making the world much colder, and caused the dinosaurs to become extinct.