Biology

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Across
  1. 3. it is a solution to test for starch
  2. 5. it is the movement of small food molecules and ions through the wall of the intestine into the blood
  3. 6. it is a protein that functions as a biological catalyst
  4. 13. A sustainable ...... is one that is produced as rapidly as it is removed from the environment
  5. 16. A ...... is the probability of that organism surviving and reproducing in the environment where it is found
  6. 17. A ........... is made up of all the plants and animals living in an ecosystem
  7. 21. What is the process of getting energy from ammonia?
  8. 22. the movement of the sucrose and amino acids in the phloem, from regions of production to the regions of storage or to regions where they are used in respiration or growth
  9. 25. The process by which energy is produced from food
  10. 27. structure made up of a group of tissues, working together to perfrom a specific function
  11. 28. it is the movement of digested food molecules into the cells of the body where they are used, becoming part of the cells.
  12. 29. a group of organisms that can reproduce to produce fertile offspring
  13. 30. A ..... is any substance taken into the body that modifies or affects chemical reactions in the body
  14. 31. the removal of the nitrogen-containing part of amino acids to form urea
  15. 35. fats are a solid form of a group of molecules is called.....
  16. 37. Another version of genes are called ........
  17. 38. it is the process by which plants manufacture carbohydrates from raw materials using the energy from light.
  18. 39. Type of variation that is brought about by genes, but can also be caused by the environment is .........
  19. 40. Dominance that is sometimes taken to mean the same as co-dominance is ........... dominance
  20. 41. the ability to detect or sense stimuli in the internal or external environment and to make appropriate responses
Down
  1. 1. Heroine, morphine and codeine belong to a group of drugs are called....
  2. 2. it is a fluid filled space surrounded by a membrane which is found inside the cyptoplasm of plant cells to help to keep plants cells firm
  3. 4. it is the net movement of molecules and ions from region of their higher concentration to a region of their lower concentration down a concentration gradient as a result of their random movement
  4. 7. When a crop of single species is grown on the same land, year after year, it is called .........
  5. 8. the loss of water vapour from the plant leaves by evaporation of water at the surfaces of the mesophyll cells followed by the diffusion of water vapour through the stomata
  6. 9. EGC stands for
  7. 10. it is a substances that increases the rate of a chemical reaction and is not changed by the reaction
  8. 11. Coordination by chemicals is brought about by the.......
  9. 12. the fusion of gamete nuclei
  10. 14. the removal from organisms of toxic materials and substances in excess of requirements.
  11. 15. The Goblet Cells secrete....
  12. 18. The effect of greenhouse gas is that they trap .......... radiation and increase global temperature
  13. 19. respiration the term for the chemical reactions in the cells that break down nutrient molecules to release energy without using oxygen
  14. 20. it is proteins produced by white blood cells called lymphocytes
  15. 23. .......... and wallflower are examples of insect-pollinated flowers
  16. 24. Bacterial DNA that is in the form of circular strand and also small circular pieces called ..........
  17. 26. The sounds you heart make can be heard by a......
  18. 32. The ...... in our atmosphere contains about twenty one% of oxygen
  19. 33. the defence against the pathogen by antibody production in the body
  20. 34. it is the net movement of waterr molecules from a region of higher water potential to a region of lower water potential through a partially permeable membrane
  21. 36. Nerve impulses from the sense organs to the central nervous system are called,,,,