BBC Before the Dinosaurs - Walking With Monsters
Reptile's Beginnings Worksheet
This episode of Walking With Monsters begins in the Carboniferous period. As the oxygen content of the atmosphere was much higher, the land arthropods evolved to be huge in size. This moves onto the Permian period, where a dramatic climate change has caused the emergence of conifer trees, and the beginnings of the modern reptiles.
Key Concepts: Carboniferous period, Permian period, arthropods, reptiles.
Answer Key: Available at the biology instructor resources subscription page.
