Across
- 2. the change in adaptive features of a population over time as a resulte of natural selection
- 4. the ones that form the DNA
- 6. become more suited to their environment over many generations
- 8. to ribosomes
- 10. probability of an organism surviving and reproducing in the environment
- 11. spontaneous genetic change (the way new alleles are formed)
- 12. survives the organism that is better fitted to the conditions in which they live
- 13. a particle consisting of two subunits that fit together and work as one to build proteins
- 14. changein the base sequence in DNA
- 16. the way of calling the two different parts of the DNA
Down
- 1. is a description of the molecular shape of a duble-stranded DNA molecule
- 3. take the form of disctint, alternative phenotypes with no intermediates
- 5. inhereted feature thet helps an organism survive and reproduce its environment
- 7. is the base unit of nucleic acids
- 9. differences between individuals of the same species
- 15. is a single-stranded molecule that carries genetic code from DNA in a cell's