6. Which type of development involves immature stages and metamorphosis?
- Modular development
- Indirect development
- Direct development
7. When did the Cambrian explosion start?
- 528 million years ago
- 542 million years ago
- 412 million years ago
- 376 million years ago
8. Modifying and adapting _______ causes species to evolve
- Evolution
- Modules
- Materials
9. Evolution is limited/constrained to what the organism already has
- True
- False
