Across
- 2. all living things derived from common ancestors.
- 3. The process which plants make energy
- 9. was oxygen free and a combinantion of CO2, ammonia, and UV radiation
- 10. The man who discovered evolution and pulished his findings in 1859
- 12. usually long-lasting immunity that is acquired through production of antibodies within the organism in response to the presence of antigens
- 14. the variety of life in the world or in a particular habitat or ecosystem
- 17. individuals that have charcteristics not well suited for their environment either die or have few offspring.
- 19. the change in the characteristics of a species over several generations and relies on the process of natural selection
- 20. the ability to survive and reproduce
Down
- 1. The gene that is overpowered by the dominate gene
- 4. favorable traits are passed onto the next generation.
- 5. These cells evolved from prokaryotes and chloroplasts
- 6. a change or the process of change by which an organism or species becomes better suited to its environment.
- 7. the young born of living organisms, produced either by a single organism or, in the case of sexual reproduction, two organisms
- 8. The gene that is stronger than the recessive gene
- 11. produced mainly by plasma cells that is used by the immune system to neutralize pathogens such as pathogenic bacteria and viruses
- 13. remains or traces of ancient life that have been preserved by natural processes
- 15. Islands off the west coast of South America
- 16. is the basic physical and functional unit of heredity, they are made up of dna
- 18. change in global or regional climate patterns