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Across 3. virus that infects bacteria 5. "gives live birth" 7. bony fish 10. the phylum that Spongebob is a part 12. darkening of a population due to pollution 13. thought giraffes got long necks by stretching them 14. phylum Platyhelminthes 17. unzips your genes! 18. proved DNA was genetic material 20. the best subject ever!! :-) 21. trait not shown in the F1 generation 23. small changes in a species 24. ray-finned fish with symmetrical tail 25. naked seed 27. a platypus is this 28. venomous, with 30 legs 30. process of making a protein from mRNA 31. mammals taking over the land would be an example 32. studied finches 33. the type of alleles you have 36. one of each type of chromosome 37. having one dominant and one recessive allele 38. transmission of traits to their offspring 40. case seed 42. are carnivorous and have 5 part radial symmetry 44. first animals with image forming eyes 50. able to cause disease 51. largest group of organisms in the world 52. one copy of a gene 53. thought to give rise to arthropods 54. belly side

Down 1. used a DNA destroying enzyme to show transformation 2. worked with S. pneumoniae 4. skin breathing 6. type of bases that C and T are 8. toward the spine 9. in class Chondrichthyes 10. rigid tube that carries nutrients in plants 11. making mRNA 15. specialized stinging cells on cnidarians 16. enzyme used in DNA replication 19. arthropods shed this 22. has paralell veins on their leaves 26. arachnid without fangs 28. 3 nucleotide sequence 29. moving of sugars through the phloem 32. each of your somatic cells is this 34. a zone of actively dividing cells 35. set of alleles expressed at the same time 37. two of the same allele 38. disease where blood does not clot quickly 39. flower parts in 4 or 5 41. the physical appearance of an organism 42. silica needles that are in some poriferans 43. trait expressed in the F1 generation 45. matches with T 46. echinoderm bones 47. insects are the only arthropods with these 48. father of genetics 49. carries water in plants