Across
- 7. grouping things into levels based upon similarities.
- 8. Contains a nucleus and membrane-bound structures.
- 11. means "above" or "on top of".
- 13. one or more bases are inserted into the Dna sequence
- 14. The way an organism looks or the trait the organism possesses.
- 16. levels of organization into which organisms are classified.
- 19. Makes food for plants using energy from the sun, carbon dioxide and water.
- 20. when all organisms of a species had died.
Down
- 1. one or more bases are deleted into the dna sequence.
- 2. cell division that produces gametes
- 3. The scientific study of heredity.
- 4. double stranded.
- 5. The actual genes an organism possesses.
- 6. when a large numbers of species go extinct in a short period of time.
- 9. cells with half the information of the original cells.
- 10. cells with the full set of information of the original cells.
- 12. Specific characteristics of an individual that are inherited.
- 15. the branch of biology that groups and names organisms
- 17. a permanent change in genes.
- 18. No nucleus or any structures with a membrane around them.
