Middle Triassic

High school (ages 12+)
History & Culture

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/middle-triassic

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 epoch duration?Approximately 246.7 to 237 million years ago
2. What is the stratigraphic divisions?Comprises the Anisian and Ladinian stages
3. What happened during the Middle Triassic?After the biggest extinction, life started to grow again. Plants like conifers and ferns returned, and many new animals appeared on land and in the sea.
4. Why were new plants like conifers and ferns important?They gave food and shelter to the new animals that were moving back into the world. They helped build the first complex food webs.

Chronostratigraphy: The branch of stratigraphy concerned with the age of rock strata and their correlation in time.
Permian-Triassic Extinction: The most severe known extinction event in Earth's history, occurring approximately 252 million years ago.
Archosaurs: A group of reptiles that includes the ancestors of crocodiles, dinosaurs, and birds.
Pangaea: A supercontinent that existed during the late Paleozoic and early Mesozoic eras.