Across
- 2. A segment of DNA that codes for a protein
- 5. All the living things that directly or indirectly affect the environment
- 8. When one organism is hurt and the other benefits
- 9. Two or more organisms living in close association with eachother
- 10. Another function of Dna is a blueprint for ________
- 12. Organisms dependent on other organism for food
- 13. similarities that related organisms share derived from a common ancestor
- 15. A simple model that illustrates the transfer of chemical energy.
- 18. helix What is the term for the shape of DNA?
- 20. shift in allele frequencies within a population
- 21. DNA carries traits from what? Parents Where you get your genetic traits from
- 23. structure existing structures that are no longer used
- 25. organism that was an in between of dinosaurs and birds
- 26. The maximum number of organism the resources of an area can support.
- 29. The study of the interactions of living things between each other and their environment
- 30. factors Nonliving things that affect organism ability to reproduce and survive
Down
- 1. Convert radiant energy of the sun into chemical energy; make their own food
- 3. when individuals have physical/behavioral traits the better suit the environment
- 4. and Watson Who created the first DNA model?
- 6. random change in an organism's DNA
- 7. bases Adenine, Guanine, Cytosine, and Thymine are examples of what?
- 11. What is the backbone of DNA composed of?
- 14. acid What does DNA stand for?
- 16. What percent of our DNA actually codes for proteins?
- 17. A function of DNA is to direct _______
- 19. change in allele frequency due to a catastrophe
- 22. Major changes in alleles that create a new species take long periods of
- 24. Can synthesize their own food from inorganic compounds
- 27. evolution unrelated species become more similar as they adapt to the same kind of enviroment.
- 28. allows scientists to see a continual series of change in a species