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Across 2. scientist credited with disproving the theory that living things could come from non-living material 7. type of protist which contains chloroplasts and moves 10. holds up the anther 11. the male reproductive organ of a flower 16. the organelles function to transport proteins and other materials from one part of the cell to another 17. when 2 or more organisms live together and both organisms benefit from the relationship and neither organism is harmed 18. the ability of an organism to maintain fairly constant internal conditions, even when the external environment changes 19. contains DNA and are how ferns reproduce 22. stores water and other substances inside the cell 24. cells whose DNA is inside a nucleus 26. protects a bud of a plant 28. contains a larger vacuole, chloroplasts, & cell wall 31. the theory that livng things could arise from non-living matter 33. organelles which function to receive, package, and send out proteins within the cell 34. this forms when the pollen grain lands on the stigma and is how the sperm gets to the ovary to fertilize the egg 37. type of reproduction involving the uniting of a sperm and egg 43. a gas needed by a plant to begin photosynthesis 44. non-living but contains DNA 46. false foot 48. structure which allows a euglena and sperm to move 50. has pores and allows certain substances to move in and out of the cell 52. the female reproductive organ of a flower 53. most simple of living things 55. the transfer of pollen from the anther to the stigma 56. this refers to the structures that are on the inside of a cell 57. a fertilized egg

Down 1. tiny hair-like structures which line our lungs and noses and also help Paremecia move 3. part of a nerve cell which receives messages throughout the body 4. specialized plant tissue which transports water and minerals to the leaf for photosynthesis 5. a waxy layer on the top of a leaf whcih prevents water loss 6. a virus which invades a bacterial cell 8. organelles which contain chemicals that break down food particles and worn out cell parts, these are known as the "clean-up" parts of the cell 9. raw materials of photosynthesis 12. protozoan which moves by using pseudopods 13. provide the cell with energy and are known as the "Powerhouse" of the cell 14. controls all activities of the cell--known as the brain of the cell 15. these regulate the opening and closing of stomata 17. the 2 layers of food-making cells inside a leaf 20. organelles "float" inside this jelly-like substance 21. the process of the sperm and egg unititng 23. these make-up the top layer of food-making cells 25. sends and receives messages in organisms 26. male sex cell 27. an offspring created from a piece of the parent, a bud, or when a cell splits into 2 new cells 29. the loss of water from a leaf 30. number of pairs of chromosomes in humans 31. the "sticky" structure of the female reproductive organ of a flower which "catches" pollen grains 32. the sugar that makes up the cell wall 35. sugar produced during photosynthesis 36. absorbs light energy to begin a chemical reaction called photosynthesis 38. how a bacteriaphage attaches to a bacterium 39. the struggle among organisms to survive 40. produce the proteins needed by the cell 41. the waste material released from a leaf during the process of photosynthesis 42. openings on the leaf which allow carbon dioxide to enter the leaf and oxygen to exit the leaf 45. study of 47. female sex cell 49. functions to attract pollinators 51. living 54. structure of a nerve cell that functions to send messages throughout the body