9.Evolution Theories  Essential Question: How does the evidence of geology, fossils, and comparative anatomy support the theory of evolution?  Learning.

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9.Evolution Theories  Essential Question: How does the evidence of geology, fossils, and comparative anatomy support the theory of evolution?  Learning Target: I can describe who Charles Darwin was and his inference about life on earth.  Learning Task: I will watch short film clips to learn about Charles Darwin and the inferences he made about life on Earth.  I can read about two different theories about how evolution occurred..

Welcome! Warm Up Friday 4/11/14 Week of 4/7 – 4/11  What is Pangaea?  What does it mean to believe something?

4 th Quarter Table of Contents 1 TitleAssignment # Ice Cores2 Ice Core Webquest3 Fossil Notes4 Getting into the Fossil Record 5 Fossil Vocab6 Fossils over Time (Molds vs Casts) 7 Law of Superposition Vocab 8 Who’s on First? (Wkst)9 Geologic Time VOCAB 10 Video Evolution Questions Segment 1& 3 11 Evolution Vocab12

Belief vs. Understanding  Our beliefs are important to us. They are valid and serve valuable purposes in our life  Science isn’t about telling you what to believe – or about telling you that what you believe is wrong. Rather, Science is about UNDERSTANDING the world around us. You don’t have to believe it, but you should understand it.

Video: Evolution – Evolving Ideas  Today we will watch two video clips from the PBS Series Evolution – Evolving Ideas  You will copy the questions for each section into your lab notebook before watching, and then answer the questions while you watch.

Video: Evolution Questions11 Segment 1: Isn't Evolution Just a Theory? 1. What is a theory? 2. What does Darwin's theory of natural selection aim to explain? 3. What is an inference? 4. What was Darwin's inference?

Segment 1: Isn't Evolution Just a Theory? Full screen/youtube: JBIk Original PBS location: 11/2/e_s_1.html

Segment 3: How do we know evolution happens? 1. Where is the history of life held? 2. How are whales similar to us? How are they different? 3. Whales have flippers, but what are the bones similar to on the inside? 4. What reason do scientists give for a four- legged animal moving closer to water and giving rise to modern whales?

Segment 3: How do we know evolution happens? Full screen/youtube: ZUIDQ Original PBS location: 11/2/e_s_3.html

Most Species that have lived on Earth are now Extinct!  Extinction of species is common.  Extinction of species occurs when the environment changes and the individual organisms of that species do not have the traits necessary to survive and reproduce in the changed environment.

Extinct: The Dodo Bird  The Dodo was a large, flightless bird  It was a relative of pigeons and doves  The last dodo died sometime in the late 17th century

Extinct: The Dinosaurs  Stegosaurus lived way before Triceratops showed up  Tyrannosaurus wasn't feasting on Apatosaurus (he had been extinct for millions of years by that time)  They were all gone by the time human beings came around

Extinct: Passenger Pigeon  These pigeons once blackened the sky as it roamed in flocks numbering in the billions  Westward-bound settlers chopped down the birds' habitat at an alarming pace.  In less than 100 years, this species was in a lot of trouble.  The last passenger pigeon died in a Cincinnati zoo in

Extinct: Saber-Toothed Tiger  Has been extinct for over 10,000 years  The cat itself was about the size of a modern-day lion (if not a bit shorter), but far more robust  This fierce predator once roamed freely in the grasslands and forests of North and South America  We should probably be happy we're not living in the Ice Age!

In your Lab Notebook: Evolution Vocab12  Darwin –a naturalist who proposed and provided scientific evidence that all species of life have evolved over time from common ancestors  Natural Selection – survival of the fittest organisms that are the best adapted to their environment and will live long enough to reproduce and pass on those adaptations Theory – a explanation that ties together many hypothesis and observations  Create Frayer Models for the words

Geologic Time Webquest  ucation/explorations/tours/stories/ middle/intro.html ucation/explorations/tours/stories/ middle/intro.html

Google Drive: 9. Inheritance of Acquired Characteristics Vs. Natural Selection ~ Reading & Questions

Exit Ticket  What theory of evolution was proposed by Charles Darwin?