Across
- 5. separates waste and extra water from the blood
- 6. gene mutations that involve changes in one or a few nucleotides(2 words)
- 7. the father of evolution who proposed a theory for natural selection(2 words)
- 8. bubble like structures in lungs that provide large amounts of surface area
- 10. chemical or agent in the environment that causes mutations
- 13. organisms that are best adapted to an environment survive and reproduce more than others(2words)
- 15. heritable changes in genetic information
- 21. the decoding of mRNA into protein
- 22. the blastopore becomes the mouth
- 25. process of removing ammonia waste
Down
- 1. long chains of amino acids
- 2. a single imaginary plane divides the body into left and right sides(2 words)
- 3. enzyme that unwinds the double helix in DNA
- 4. the concentration sense organs and nerve cells at the anterior end.
- 9. a nucleic acid that consists of a long chain of nucleotides
- 11. a hollow, muscular organ that pumps blood around the body
- 12. reads along each naked strand of DNA adding complementary nucleotides(2 words)
- 14. making RNA from sequence of DNA bases
- 16. heart chamber that receives oxygen poor blood
- 17. chordates with a backbone
- 18. a hollow nerve chord that runs along the back part of the body
- 19. organs that exchange oxygen
- 20. heart chamber that pumps out oxygen rich blood
- 23. enzyme that lays down the primer
- 24. splices together the ends of newly synthesized DNA