Biology - Topic 4

12345678910111213
Across
  1. 5. Makes the cell walls water proof and stronger
  2. 6. Kingdom that are multicellular eukaryotes that are heterotrophs
  3. 7. Type of adaptation which we can observe
  4. 8. Number of species present in a given habitat
  5. 10. Type of cell that is full, all its content still intact
  6. 11. A change in allele frequency in a population over time
  7. 12. Type of classification
Down
  1. 1. All alleles of the genes present in a population
  2. 2. Change in allele frequencies over time
  3. 3. How organisms change over time to adapt to their changing environment
  4. 4. Narrow fluid filled channels
  5. 9. The way an organism exploits its environment
  6. 13. Organism which is specialised to suit its environment