Lecture 13Overview of Earth’s History Hadean (4.5 to 3.9 b.y.) 1. Initial Formation of the Earth 2. Impact of Mars-sized planet - Formation of Moon.
Chapter 32 An Introduction to Animal Diversity
Chapter 32 An Introduction to Animal Diversity 1.What is an animal? -Multicellular, heterotrophic eukaryote – ingestion -Structural support from structural.
