Across
- 4. connects bone to bone
- 7. outer boundary of all cells
- 8. produces gamete cells
- 9. blood vessels that take blood away from the heart
- 12. nonliving factor in the environment
- 14. biome in which Maryland is located
- 19. genotyps code for this; usually physical traits
- 23. organelle where cellular respiration occurs
- 24. protects against pathogens (part of immune system)
- 28. used to make proteins and nucleic acids;78% of atmopshere
- 30. basic unit of living things
- 31. oil secreted by skin
- 34. produced during photosynthesis, along with glucose
- 35. photosynthesis takes place here in the leaf
Down
- 1. knee cap
- 2. different forms of gene
- 3. necessary for all life's functions; found in cell membranes
- 5. building blocks of nucleic acids
- 6. inorganic substances in body; calcium is most abundant
- 10. muscle on back of arm named for 3 connection points
- 11. disocered cells in 1665
- 13. largest bone in body
- 15. secretes hormones to regulate body functions
- 16. usable form of energy in the cell
- 17. study of how traits are passed down to offspring
- 18. "Father of Genetics"
- 20. number of bones are in the body
- 21. another name for fat; found in cell membrane
- 22. top layer of skin
- 25. another name for coniferous forest
- 26. C6H12O6
- 27. region inside all cells
- 29. inside of bone that produces new blood cells
- 32. body's main source of energy; found in pasta and bread
- 33. haploid cell used in reproduction