Epilogue/ Afterword

Ellie Glanzberg-Krainin

AP Bio Summer Reading

September, 2010

Tiktaalik was a fish that lacked operculum--what does this tell

us about the animal?• What is operculum?

• How does Tiktaalik breathe?

Tiktaalik had a true neck--what does this allow the

animal to do?• Operculum attaches head to body in fish.• Fish move body with head.• Tiktaalik can move its head independently from it’s

body.

How was Tiktaalik able to survive the cold Artic

environment?• Climate change.

• Moving continents.

Happy Medium

• Intermediate:• Ears: medium size stapes• Rigid joint in middle of brain case

What role does Tiktaalik play in evolution and in how you

understand humanity?

• How does Tiktaalik influence how YOU see evolution and our history as humans? Did it change after reading the book?