ESS 100 Study Guide - Comprehensive Final Exam Guide - Dinosaur, Jurassic, Cretaceous

• School: UW
• Department: Earth and Space Sciences
• Course: ESS 100
• Professor: Ruth A.Martin

Document Summary

Smallest n. american dinosaur- fruitadens haagarorum: 70 cm long, carnivorous dinosaur, dinosaurs were not the only giant reptiles of mesozoic era, supercroc (sarcosuchus) lived the same time as dinosaurs, placerias, terrestrial reptile, herbivores, marine reptiles (not dinosaurs) Lecture 2 notes: what is a fossil, fossil: the evidence of organic life in the rocks. Learn about the natural world by gathering evidence through our senses and extensions of our senses: make and record observations. Inference: dinosaurs may be colorful: dinosaur skin came in many colors. Lecture 4 notes: what is a reptile, tetrapod vertebrate with: Short legs relative to body size: relatively small brain, 3-chamber hearts, cold-blooded. Lay amniotic eggs: cold blooded vs warm blooded. "warm blooded" means that the animal maintains its won temp by metabolic means. It expends a lot of energy (from food) to keep its temp constant and ready for activity at all time: called endothermic, homeothermic means maintaining relatively constant body temp regardless of outside temp.