IAL Biology - Topic 4 vocabulary

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Across
  1. 2. number of species in an area
  2. 4. most common packing tissue in the plant stem
  3. 9. plastics based on plant materials or polymers
  4. 12. a measure of genetic diversity within a species
  5. 13. waterproof cell wall molecule
  6. 17. conserving organisms outside their natural habitats
  7. 20. cytoplasmic connections between neighbouring plant cells
  8. 22. classifiying organisms based on the similarty between conserved biological molecules
  9. 28. membrane surrounding the plant cell vacuole
  10. 30. mitochondria and chloroplasts hitching a ride?
  11. 31. unspecialised plant stem cells that can produce xylem or phloem tissue
  12. 33. the force a material can withstand while under tension
  13. 34. required for allopatric speciation to occur
  14. 35. "true bacteria"
  15. 36. maintaining and protecting organisms and their habitats
  16. 38. the relative number of species in an area
  17. 39. conservation method used for plant species
Down
  1. 1. plant support tissue with lignified cell walls
  2. 3. many cellulose molecules held together by hydrogen bonds
  3. 5. mineral required for production of amino acids and nitrogenous bases
  4. 6. the biggest taxonomic grouping
  5. 7. number of phases in a normal drug-testing protocol
  6. 8. role of an organism in its habitat
  7. 10. version of a drug lacking the active ingredient
  8. 11. "closely related organisms that can successfully interbreed"
  9. 14. sum total of all the alleles in a population
  10. 15. Hardy-Weinberg equilibrium assumes this is not happening
  11. 16. prokaryote domain that inhabit places with extreme conditions
  12. 18. lack of this mineral causes plant leaves to turn yellow (chlorosis)
  13. 19. clinical drug trial format to avoid bias
  14. 21. plant organelle storing starch
  15. 23. component of the cell wall matrix
  16. 24. only found in one particular location
  17. 25. the Hardy-Weinberg equation lets us calculate this
  18. 26. resources can continue to be produced
  19. 27. variety of living organisms and their genetic diversity
  20. 29. adaptations of organisms to their environment can be behavioural, physiological or...
  21. 32. holds plant cell walls together between cells
  22. 37. mineral required for holding adjacent plant cells together
  23. 40. methods used to prevent microbial contamination of experiments or the environment