Outline of dinosaurs

High school (ages 12+)
Animals & Nature

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/outline-of-dinosaurs

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific classification?Clade and superorder Dinosauria
2. What is the avian evolution?Birds evolved from theropod dinosaurs during the Jurassic period
3. What were dinosaurs and how long did they live?Dinosaurs were big animals that lived on Earth for more than 160 million years, from about 230 million years ago to 66 million years ago.
4. Why did dinosaurs disappear?A big asteroid hit Earth and volcanoes erupted, making the world dark and hot, and the dinosaurs could not survive.

Dinosauria: The taxonomic group encompassing all dinosaurs, characterized by specific anatomical features and a shared ancestry.
Theropod: A suborder of bipedal, mostly carnivorous dinosaurs, including the ancestors of birds.
Cretaceous–Paleogene (K-Pg) Extinction Event: A global mass extinction event approximately 66 million years ago, primarily linked to an asteroid impact.
Avian Dinosaurs: The lineage of feathered dinosaurs that survived the K-Pg extinction and evolved into modern birds.