Biology Review

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

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