Across
- 3. a theory has nearly the opposite meaning. A theory is a well-substantiated explanation of an aspect
- 4. the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
- 6. the disguising of equipment, and installations by painting or covering them to make them blend in with their surroundings
- 7. based on the idea that all species are related and gradually change over time
- 8. develop gradually, especially from a simple to a more complex form.
Down
- 1. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
- 2. the act or process of changing to better suit a situation
- 5. a change or difference in condition, amount, or level, typically with certain limits.