Across
- 3. The state or fact of continuing to live or exist, typically in spite of challenging circumstances
- 7. Made or produced by human beings rather than occurring naturally.
- 8. Existing in or derived from nature; not made or caused by humankind
- 10. A trait or characteristic that helps an organism survive in its environment
- 11. The genetic characters transmitted from parent to offspring
- 13. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
- 15. Living entities that can react to stimuli, reproduce, grow, and maintain homeostasis
- 16. The 4th part of Natural Selection, Successful _______
- 19. A supposition or a system of ideas intended to explain something.
Down
- 1. All the inhabitants of a particular area.
- 2. Random genetic changes within the genetic material
- 4. A change or difference in condition, amount, or level, typically with certain limits.
- 5. The study of the distribution of species.
- 6. The 19th-century naturalist who formulated a theory of evolution by natural selection
- 9. Gaining protection by looking and acting like a different species
- 12. The surroundings or conditions in which a person,animal, or plant lives or operates.
- 13. Forming new species by evolution from pre-exisiting species
- 14. Occurs when the last individual of a species dies
- 17. Ability of an organism to survive and reproduce in its environment
- 18. The process of increasing in size