All things on Earth fall into one of two categories: Biotic: alive Abiotic: not, and never has been, alive Biotic and Abiotic Factors.
Welcome Silently Begin Do Now 1. Describe how the particles in a gas move. 2. Draw an Oxygen atom using Bohr’s Model. 3. A compound is: 4. A bond is: Particles.
Matter and Energy in Ecosystems
