Across
- 3. The differences between living things
- 4. The shape of a DNA molecule
- 6. The type of variation that is influenced by your surroundings
- 7. The fight between organisms for the resources they need
- 9. The scientist that developed the theory of Natural Selection
- 12. The type of variation you get from your parents
- 13. A small section of DNA that codes for a specific characteristic
- 14. The part of the cell that contains the genetic information
- 16. Data that can have any value, like height or weight
- 18. Tightly packaged DNA strands that contain genetic information
Down
- 1. When there are no more animals of a species alive
- 2. The process by which organisms can evolve and change, based on the advantageous genes
- 5. Features of an organism that help it to survive in it's habitat
- 8. The long molecule that contains all the instructions for an organism
- 10. The change in a species over time
- 11. Another way of saying inherited variation
- 15. A measure of how many different animals and species are in an area
- 17. Data that only has set categories, like hair colour or gender