EOC Review Question EOC Review Quick Notes and
- Slides: 20
EOC Review Question
EOC Review
Quick Notes and then Stations
Phylogeny and Cladograms • Phylogeny – evolutionary history of lineage • Goal of phylogeny: to group species into larger categories that reflect lines of evolutionary descent rather than overall similarities and differences
• Cladogram – links groups of organisms by showing how evolutionary lines branched off from common ancestors
Phylogeny and Cladograms
• Get out your stations. • Rest of the class period to work!
EOC Review
Last EOC Question
Quick Notes and then Stations
Fossil Record • Relative dating: – Allows paleontologists to determine whether a fossil is older or younger than another fossil – Each lower layer is older. – Each lower layer tends to be simpler organisms
Endosymbiotic Theory • • What are the 2 types of cells? Prokaryote and Eukaryote Prokaryote= no nucleus Eukaryote= nucleus, mitochondria, maybe chloroplasts… • Where did the eukaryotic cells come from?
Endosymbiotic Theory • Endosymbiosis= “living together within”
Endosymbiotic Theory • Mitochondria and chloroplasts came from prokaryotic ancestors. • Support: – Similar in size to bacteria – Have own DNA and replication process separate from the cell – Synthesize their own proteins
Get out your stations • When you’re done, get the Putting It All Together sheet from me! • Don’t forget – next time, open station quiz!
• Get out your stations. • We’re all going to do the first part of Station 5 right now.
Station 5: Evidence from Fossil Record • Answer these two questions: • 1. What characteristics do whales have that make them adapted to life in the ocean? • 2. What are some animals that you think would share a common ancestor with the whale? Video Link
• Now answer these questions: • 3. Revisit Question #2. After watching the video, did your answer change? If so, how? • 4. List three pieces of evidence from the video to support your answer.
Station 1: Evidence from Current Examples Video 1. What are microbes? Give examples. 2. What does TB stand for? What causes TB? How is it spread? What are the symptoms? 3. How do humans affect the evolution of TB bacteria? 4. How has TB become multi-drug resistant? (Describe the process in terms of natural selection. ) 5. Why do scientists need to understand evolution to help solve the problem of antibiotic-resistant bacteria?
Evolution Stations • You must finish ALL 5 stations by the end of class!! • There will be a quiz using your spiral so be thorough when you are writing your answers.
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