living things 2

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Across
  1. 4. - The "powerhouse of the cell" where cellular respiration takes place to release energy.
  2. 5. acids - Complex molecules like DNA that store genetic instructions
  3. 12. – example of autotrophic organisms.
  4. 14. - The process plants use to turn sunlight, water, and carbon dioxide into food (glucose) and oxygen.
  5. 17. cell wall - A tough, rigid outer layer outside the cell membrane that gives plant cells extra support and shape.
  6. 18. material – Nucleic acids that carry the instructions for building and running a living thing.
  7. 20. - The process where a spermatozoo and an ovum join together.
  8. 23. - Storage bubbles inside cells that hold water, food, or waste.
  9. 26. - Any change in an organism's environment (such as light, temperature, or sound) that causes a reaction.
  10. 29. - A long, whip-like tail that helps certain cells swim and move.
  11. 30. - Small structures in animal cells that help organize cell division.
Down
  1. 1. cell - A more complex cell that has a nucleus and more organelles.
  2. 2. - example of heterotrophic organisms.
  3. 3. - Green structures in plant cells where photosynthesis happens.
  4. 6. - Fats, oils, and waxes used for long-term energy storage and cell membranes.
  5. 7. respiration - The process where cells break down food molecules to release usable energy.
  6. 8. - A reproductive cell.
  7. 9. - The green pigment inside chloroplasts that absorbs sunlight for photosynthesis.
  8. 10. - The jelly-like fluid / space inside the cell.
  9. 11. membrane - The flexible outer barrier that surrounds a cell and controls what enters and leaves.
  10. 13. The single new cell formed during sexual reproduction.
  11. 15. reproduction - A type of reproduction involving only one parent, producing offspring that are exact genetic copies.
  12. 16. capsule - A protective outer layer found on some bacteria that helps them avoid danger.
  13. 19. - Sugars and starches that provide quick energy.
  14. 21. - Organisms that must get energy by eating other living things.
  15. 22. - Tiny cellular factories that build proteins.
  16. 24. - A group of similar cells working together to perform a specific job.
  17. 25. - Large molecules that build body structures and help in cellular activities.
  18. 27. - The scientist who first looked at a slice of cork under a microscope in 1665 and gave cells their name.
  19. 28. - Organisms that make their own organic matter.