How Rocks Form: Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks

Why study rocks? -Many, many uses! – writing tools (chalk, pencils), building materials (marble, concrete), fuels (coal), scouring powder (pumice, sand), weapons (flint, obsidian) Rock: a group of minerals bound together –          found in the Earth’s crust and mantle The Rock Cycle: the continuous process of rock formation and change – Presents a “map” of…

Principles of Ecology

Organisms and Their Environment What is Ecology? –Ecology: The scientific study of interactions among organisms and their environments *Ecology reveals relationships among living and nonliving parts of the world! Ex- what a coyote eats; -how day length influences the behavior of migrating birds; -how shrimp help rid ocean fishes of parasites; -how acid rain threatens…