Across
- 2. the study of the relationships among living organisms
- 5. variety and variability of life on Earth
- 6. any member of the group of eukaryotic organisms that includes microorganisms
- 8. any biological living system that functions as an individual life form
- 10. a process used by plants and other organisms to convert light energy into chemical energy
- 11. a variation of the same sequence of nucleotides at the same place on a long DNA molecule
- 13. free-living organisms often consisting of one biological cell
- 14. an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA
- 15. the basic structural and functional unit of life forms
Down
- 1. the change in heritable characteristics of biological populations over successive generations
- 3. membrane-bound organelle found in eukaryotic cells
- 4. a long DNA molecule with part or all of the genetic material of an organism
- 7. sequence of nucleotides in DNA that is transcribed to produce a functional RNA
- 9. the branch of biology concerned with the study of the structure of organisms and their parts
- 12. an organism of one or more cells with membrane-bound nuclei