Introduction:
Essential Question:
Key vocabulary:
Use the simulation to the left to complete this activity,
Introduction:
Essential Question:
Key Vocabulary:
Use the simulation below to complete the activity
Answer the questions during/after the video
1. Who was Ernst Haeckel? How did his work contribute to Charles Darwin's Theory of Evolution?
2. What did Haeckel's drawings show?
3. All animals come from a common __________________.
4. What was the problem with Haeckel's drawings?
5. One of the main points of Haeckel's drawings is that the more closely related embryo forms shared a more recent common ancestor. Going back to your embryo drawings what two shared a more recent common ancestor?
6. Another important idea from Haeckel's drawings that scientists have held up over the years is that within closely related forms, earlier stages will be more similar than the late stages. Do your embryo drawings agree with this idea?