7th Grade Science

123456789101112131415161718
Across
  1. 6. Attaches muscle to bone
  2. 7. The powerhouse of the cell
  3. 9. A species that isn't native to a food web
  4. 10. Living things are made of these
  5. 13. One organism benefits, the other is harmed
  6. 15. The body system that does breathing
  7. 16. The process to make glucose from water and sunlight
  8. 17. Like a single-stranded version of DNA
  9. 18. The body system that moves blood around
Down
  1. 1. Science's favorite sugar
  2. 2. The organelle where photosynthesis happens
  3. 3. Both organisms benefit
  4. 4. The name for plants in a food web
  5. 5. The molecule that holds plans for life
  6. 8. The number of chambers in a human heart
  7. 11. The control center of the cell
  8. 12. The diversity of species
  9. 14. Nonliving factors in an environment