Genetics Crossword Puzzle

5. selection- the identification by humans of desirable traits in the plants and animals
7. live on earth originated from microorganisms
9. structures- skeletal elements of organisms that suggest a connection to a common ancestor
10. structures- structures that are similar in unrelated organisms
11. the classification of organisms
14. theory- believes organelles in eukaryotic cells were once prokaryotic micros
16. changing of a structure of a gene resulting in a variant form that may be transmitted to future generations
17. organic compounds that are fatty acids
19. equilibrium- hypothesis that evolutionary development marked by isolated episodes of rapid speciation between long periods of little or no change
20. - organic compounds occurring in foods and living tissues that must include sugars, salts, and cellulars
21. flow- also known as gene migration or allele flow
22. - nitrogenous organic compounds composed of amino acids

1. structures- feature of behavior that no longer seems to have a purpose
2. - an organism's ability to survive and reproduce
3. the ingestion of bacteria
4. selection- the process whereby organisms better adapted to their environment tend to better survive
6. evolution- process where organisms not closely related independently evolve similar traits
8. organism that grows without air
12. nomenclature- two terms used to denote a species of living organisms
13. influence of closely related species on eachother
15. evolution- may occur as a response to changes in abiotic factors
18. - preserved impression/remains of a prehistoric organism