Biology Exam Revision

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Across
  1. 6. the state of maintaining a steady physiological body state
  2. 8. the process of making protein using mRNA and tRNA that takes place in the ribosome
  3. 9. the heart chamber that sends the blood to the lungs
  4. 11. the neuron that receives electrical impulse from CNS and responds to stimuli
  5. 12. the system that breaks down big complex insoluble substances into small simple soluble substances to be used up by the body
  6. 14. the system that coordinates the body using electrical impulses by detecting stimuli and responding to it
  7. 18. living things in an environment
  8. 21. the system that protects the body against pathogens like harmful bacteria and viruses
  9. 23. group of organisms in an ecosystem that has the same level in the food chain
  10. 25. the process of making mRNA out of DNA that takes place in the nucleus
  11. 26. a connection that exists between two or more species living together
  12. 27. cell that has no organelles
  13. 28. type of symbiosis that benefits both parties
  14. 29. a group of interacting organisms that share the same habitat
  15. 30. the thickest heart chamber because it sends the blood from the heart to all the body
  16. 32. the system that produces hormones to regulate the activity of cells and organs
  17. 34. the structure that bonds the two DNA strands together (Adenine with Thymine{uracil} / Cytosine with Guanine)
  18. 35. the division of organisms according to their physical features
  19. 36. the organelle that is the transport system of the cell
Down
  1. 1. type of symbiosis that benefits one and neutral for the other
  2. 2. non-living things in an environment
  3. 3. the artery that sends the blood from the heart to all the body
  4. 4. the heart chamber that receives the blood from the lungs
  5. 5. the process where phagocytes engulf the pathogens
  6. 7. specialized structures in the cell
  7. 10. the struggle between individuals for environmental sources
  8. 13. the vein that sends the blood from the body to the heart
  9. 15. cell that has organelles
  10. 16. the organelle that packages the proteins
  11. 17. part of DNA strand that has phosphate, sugar, and nitrogenous base
  12. 19. organism that eats dead organic material
  13. 20. the substance that the ribosomes are made from
  14. 22. the neuron that senses stimuli and sends electrical impulse to CNS
  15. 24. the vein that sends the blood from the lungs to the heart
  16. 27. the artery that sends the blood from the heart to the lungs
  17. 31. the heart chamber that receives all the blood from the body
  18. 33. a biological community of interacting organisms and their physical environment