POSTULATES! || Thy Kingdom Camia 2010 Blog

These are the Guide Questions for the Annelids Video

1. What complex body features were developed in Annelids that their flatworm-like ancestors didn’t have?
2. When did the majority of animal body plans appear?

3. In what way is the Annelid digestive tract different from the digestive systems of cnidarians and flatworms?

4. How do earthworms move? How are the body segments invovled in this action?

5. What reasons are offered to eplainthe rapid occurence of body plan evolution known as the Cambrian Explosion?

6. How did the burrowing of worms contribute to keeping Earth from entering a major ice age?

7. What are the advantages of having a segmented body?