Across
- 4. System that concentrates and removes liquid waste
- 6. The process by which life continues through a new generation of organisms
- 8. Plant family that helps restore nitrogen to the soil
- 10. Grains are the fruits of plants from this family
- 12. Refers to the methodical testing of scientific ideas
- 16. The tissue used by the body to conduct impulses
- 17. The joints that give the shoulders and hips their wide range of motion
- 19. Anything that is used as a partial representation of something else
- 20. The canal that food follows through the digestive system from when it is eaten until the wastes leave the body
- 24. The tough membrane that encloses the heart
- 26. Organ where bile is stored
- 28. System that controls other body systems
- 30. A properly designed experiment should have this many independent variables
- 31. Primary pigment that causes skin color
- 32. The type of leaf that has only one blade attached to the petiole
- 33. A distinct type of organism
- 35. First section of the small intestine
- 36. System that provides movement for the body
- 41. The early growth of a seed
- 45. Scientific term for a flowering plant
- 46. Cells that carry oxygen through the blood
- 47. the transfer of pollen from the anther to the stigma
- 48. Connect the kidneys to the bladder
- 49. Scientific idea that has survived many experiments and observations without ever being proven false
- 50. Science of classification
- 53. Scientific name for the windpipe
- 55. Portion of the body that contains the most of the vital organs
- 56. The largest vessels that carry blood away from the heart
- 57. Gland that is considered the "master gland"
- 58. Process by which water in the soil enter a root's root hairs
Down
- 1. Refers to animals in an environment
- 2. The uniting of a sperm cell and an egg cell
- 3. Connects bones to muscles
- 5. Structure exchanges oxygen and nutrients between the blood of an unborn child and its mother
- 7. Plants that live many growing seasons
- 9. The scattering of seeds by wind, water, animals or people is this kind of dispersal
- 11. System that supports the body and protects vital organs
- 13. Plant tissues that carry food downward to the stems and roots
- 14. Muscles that work without conscious thought
- 15. Air sacs in the lungs
- 18. The sum of all chemical processes of life
- 21. largest lymphatic organ
- 22. Developed the scientific method
- 23. The study of reason
- 25. Plant family with flower heads consisting of disk and ray flowers
- 27. The root system of a plant develops from this part of the seed
- 29. System that transports nutrients and oxygen to cells and carries wastes from cells
- 33. A young plant that is no longer dependent on its cotyledons
- 34. A ripened flower ovary
- 37. controls balance and muscle coordination
- 38. System that covers and protects the body
- 39. The process by which plants manufacture their food
- 40. A creeping stem that runs along the soil surface
- 42. A sensible explanation to a scientific problem
- 43. An organism's home within the environment
- 44. Branch of biology that studies the relationship between organisms in their environments
- 45. type of symmetry where an organism can be cut into equal halves in only one direction
- 51. Dome-shaped muscle aids in breathing
- 52. Group of cells that are designed to work together as a unit
- 54. The upper chambers of the heart