Chapter 17 : The History of Life. 17-1 The Fossil Record What is a fossil? Paleontologist: scientist who studies fossils Fossil record: provides info.
Changes through time Survival of the Fittest. Evidence that life has changed and is now changing.
Evolution and Ecology. The fur of the snowshoe rabbit changes to a lighter color in the winter. This allows the rabbit to blend in with its surroundings.
Evolution in the Animal Kingdom Review. 1. Whats the difference between a chordate and an invertebrate? Chordates exhibit 4 characteristics during at.
LESSON 7 - FOSSILS EARTH UNIT. OBJECTIVE Students will be able to define what a fossil is and describe how they are formed.
Philippe Starck “I’m always out to change things rethink them and make them better.”
Chapter 6. magma- melted rock below Earth’s surface; called lava at the surface.
Bell Work 9/2/14 1 1.What element is Group 1 and Period 4? Potassium 2. What is that element’s atomic number? 19 3. How many electrons does it have? 19.
ROCKS and MINERALS of PA. Do we take them for granted?
6.1/6.2 Guided Notes Hybrid. Weathering, Erosion and Deposition Produces Sediments: small pieces of rock that are moved and deposited by water, wind and.
Dissection Bird Groups General Characteristics.
17-1 The Fossil Record. A fossil is defined as any evidence of life that existed long ago. A fossil can be a plant, an animal, a footprint, an egg, a.