Across
- 2. the full name of DNA
- 5. formed the theory of evolution
- 7. the outside strand of DNA that is not the nucleic acid
- 9. when an organism reproduces without a partner
- 11. what is passed on in our DNA or genetic code
- 13. the range of different species in an area
- 15. an ancient organism that was buried and turned to stone
- 16. credited with naming the cell
- 18. the complimetary pairing to TATGC in a strand of DNA
- 19. when no more organisms of a species exist living
- 20. when huge percentages of species go extinct
- 22. the biomolecule responsible for keeping an organism functioning
- 24. comparative ________ is when we compare the structure of a different organism
- 25. helped contribute to the field of paleontology
- 26. the shape of DNA
Down
- 1. how a gene is expressed/what can be observed in the organism
- 3. the study of life
- 4. comparative ____________ is when we compare the structure of organisms before they are born/hatch
- 6. the nucleic base that pairs with thymine
- 7. the study of prehistoric life by studying fossils
- 8. also called "tree of life" the _______ tree shows the relationship between different organisms like a distant family tree
- 10. adenine, thymine, cytosine, guanine
- 12. the nucleic base that pairs with guanine
- 14. the genetic information in your DNA that causes you to have a specific trait
- 17. the study of layers of rock and earth - deeper layers are older, shallower layers are younger
- 21. father of genetics
- 23. when an organism reproduces with a partner