Y8

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Across
  1. 3. A tissue that forms a hard structure, used to protect organs and for movement.
  2. 4. Minerals containing phosphorus for healthy roots.
  3. 6. A group of similar cells working together to perform a function.
  4. 11. The substance in blood that carries oxygen around the body.
  5. 12. web A diagram showing a set of linked food chains.
  6. 13. The strong, smooth tissue that covers the end of bones to prevent them rubbing together. exhale Breathing out, to remove carbon dioxide.
  7. 14. Minerals containing nitrogen for healthy growth.
  8. 15. An optical instrument used to magnify objects, so small details can be seen clearly. nucleus The organelle that controls the cell and contains genetic material.
  9. 20. Chemical reaction used by microorganisms to convert glucose into ethanol, carbon dioxide, and energy.
  10. 24. A group of tissues working together to perform a function.
  11. 26. The organ in which gas exchange takes place.
  12. 32. The build up of toxic chemicals inside organisms in a food chain.
  13. 33. debt Extra oxygen required after anaerobic respiration to break down lactic acid. phosphates Minerals containing phosphorus for healthy roots.
  14. 35. chain A diagram that shows the transfer of energy between organisms.
  15. 37. All the bones in an organism.
  16. 39. Green unicellular or multicellular organisms that perform photosynthesis and live underwater.
  17. 41. The process plants use to make their own food, glucose. In photosynthesis, carbon dioxide and water react together to make glucose and oxygen.
  18. 43. Reaction performed by bacteria, using energy transferred from chemical reactions to produce glucose.
  19. 46. Chemical reaction where energy is released from glucose
Down
  1. 1. The bones that protect the lungs.
  2. 2. The way in which living organisms depend on each other to survive, grow, and reproduce.
  3. 5. A lack of minerals, that causes poor growth.
  4. 7. The smallest functional units in an organism – the building blocks of life.
  5. 8. An animal that eats other animals.
  6. 9. Holes found on the bottom of the leaf that allow gases to diffuse in and out of the leaf.
  7. 10. The movement of liquid or gas particles from a place of high concentration to a place of low concentration.
  8. 16. The collection of the different types of organism present in an ecosystem.
  9. 17. The liquid part of blood, which carries carbon dioxide to the lungs where it is exhaled. population The number of plants or animals of the same type that live in the same area.
  10. 18. Joins a muscle to a bone.
  11. 19. An animal that is eaten by another animal
  12. 21. A mineral needed by plants for making chlorophyll.
  13. 22. A mineral needed by plants for healthy leaves and flowers.
  14. 23. The area in which an organism lives.
  15. 25. Breathing in, to take in oxygen.
  16. 27. A particular place or role that an organism has in an ecosystem.
  17. 28. Green pigment that absorbs light for use in photosynthesis.
  18. 29. The plant organelle that contains cell sap and helps to keep the cell firm.
  19. 30. Organisms that eat other organisms as food.
  20. 31. The name given to the interaction between plants, animals, and their habitat in a particular location.
  21. 34. Chemical containing minerals, normally applied to soil.
  22. 36. The liquid part of blood, which carries carbon dioxide to the lungs where it is exhaled. alveolus A structure inside the lungs where gas exchange takes place with the blood.
  23. 38. Joins two bones together.
  24. 40. Organism that makes its own food using photosynthesis.
  25. 42. The plant cell component where photosynthesis takes place.
  26. 44. Plants and animals living in the same habitat at the same time.
  27. 45. A part of the skeleton where two bones join together.