natural Selection Crossword Puzzle

2. Species of animals Develop diversities from their ancestors
3. change of structure on a gene resulting in variant form that may be transmitted to subsequent generations
6. A man who believes that species change during lifetime and pass it down to their offspring.
7. the process of adapting or being adapted
8. the remains of A living organism preserved of petrified form or as a mold or cast in rock
9. A sample of blood or body tissue for medical testing
12. The preferential survival and reproduction or preferential elimination of individuals.
13. Diversity in gene frequencies Makes differences between individual or in a population
14. Having more offspring then the environment can support
15. A persons child or children

1. A number of the organisms of the same species that live in the same geographical area
4. The man who discovered differences in fiches on the Galapagos Islands
5. When organisms better adapted to their environment tend to survive and reproduce more offspring
10. A group of living organisms consisting of similar individual capable of exchanging genes or interbreed
11. A species, family, or large group being or becoming extinct