1. Read the following article. Name and describe 2 things scientists can infer about the lifestyle of trilobites from their fossils. Why do you think trilobite fossils so important?
https://www.nytimes.com/2014/03/04/science/when-trilobites-ruled-the-world.html?hp&
2. Name and describe two features any of the Ornithopod Dinosaurs had that helped them eat plants. Explain how that feature would help them eat plants.