Across
- 3. a trait that helps an organism survive
- 4. cell division that creates identical somatic cells
- 7. Bb
- 8. the variety of living things in an area
- 10. process that copies DNA into mRNA
- 13. need two copies of the gene for it to be expressed
- 16. a cell that is undifferentiated/no function
- 19. molecule composed of amino acids that have several functions including building tissues
- 20. membrane, controls what comes in and out of cells
- 23. a group of cells working together
- 24. reactants are water and carbon dioxide
- 25. expressed traits and conditions
- 26. a solution with a higher salt concentartion causing water to move out of the cell
- 29. strongest type of evidence that support common ancestry
- 30. respiraiton, products are water and carbon dioxide
- 32. BB or bb
- 33. cell divsion that creates 4 genetically diverse cells
- 34. sperm and egg cells
- 36. organisms that make their own food (producers)
- 37. stores genetic information
- 38. the combination of alleles
Down
- 1. molecule composed of carbon, hydrogen and oxygen with a 1:2:1 ratio
- 2. organelle where cellular respiration occurs
- 5. a solution with a higher water concentration causing water to move into the cell
- 6. the ultimate source of energy
- 9. non-living pathogen
- 11. organelle where translation occurs
- 12. drift, a random change in allele frequency
- 14. a tightly wound up strand of DNA
- 15. change in DNA
- 17. change in allele frequency in a population over time
- 18. smallest unit of life
- 21. organisms that consume food (consumers)
- 22. living pathogen
- 27. a segment of DNA that codes for a protein/trait
- 28. process that copies mRNA into polypeptide sequence
- 31. only need one copy of the gene for it to be expressed
- 32. a state of stable internal conditons
- 35. organelle where photosynthesis occurs