Across
- 2. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
- 4. Selection the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
- 6. the disguising of military personnel, equipment, and installations by painting or covering them to make them blend in with their surrounding
- 7. a change or difference in condition, amount, or level, typically with certain limits.
- 10. who formulated the theory of evolution by natural selection
- 12. a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
Down
- 1. French naturalist
- 3. develop gradually, especially from a simple to a more complex form.
- 5. the action or process of mutating
- 8. of Evolution one of the fundamental keystones of modern biological theory.
- 9. the act of adapting or the state of being adapted
- 11. receive (money, property, or a title) as an heir at the death of the previous holder.