1. By Moira Whitehouse PhD 2. What is a fossil?• A fossil is the preserved remains of a once-living organism.How are fossils formed?• Fossils are formed when animals…

Slide 1Fossils Slide 2 The earliest clues about life on earth are about 3.5 billion years old!!!! Slide 3 What are Fossils The remains of organisms that lived a long time…

Slide 1Welcome back from Spring break! Attack the TAKS Slide 2 Agenda Attack the TAKS (8 min) Track Quizzes (7 min) Natural Selection Review (15 min) Natural Selection Practice…

Slide 1Earth Processes and Rock Layers Slide 2 Mountain Building Mountain building occurs when 2 continental plates of equal densities collide. – The plates crush together,…

Slide 1 Slide 2 Question 1 What is a homologous structure? a.Similar structures that serve different functions b.Similar structures that serve the same function c.A structure…

Slide 1Evolution Evidence and Theory Chapter 15 Lab Biology Slide 2 Vocabulary Absolute agecast Stratummold Fossilextinct Acquired traitlaw of superposition Relative ageadapt…

Slide 1 Topic: Evolution Aim: Describe the various piece of evidence for evolution. Do Now: Genetic Engineering ISN HW: Finish Genetic Engineering ISN CL Genetics Due Monday…

Slide 1 Organisms of the Past Chapter 1 Lesson 3 Students will: Explore how skeletons are used to help compare organisms. Describe evidence scientists consider to compare…

PowerPoint Presentation Chapter 17 THE HISTORY OF LIFE 1 The fossil record provides evidence about the history of life on Earth. It also shows how different groups of organisms,…

Topic: Evolution Aim: Describe the various piece of evidence for evolution. Do Now: Genetic Engineering ISN HW: Finish Genetic Engineering ISN CL Genetics Due Monday 3/23…