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