Across
- 3. the ability to survive to reproductive age, find a mate, and produce offspring.
- 6. occurs by a process known as cell division.
- 8. the act of killing another animal for food.
- 11. the action or fact of carefully choosing someone or something
- 16. all of the people born and living at about the same time, regarded collectively
- 17. The ability to change over time
- 18. a relationship between organisms that strive for the same resources in the same place
- 19. the change in the characteristics of a species over several generations
- 20. a change in a living organism acquired from its own activity or environment and not transmitted to its descendants
Down
- 1. considered the basic unit of inheritance
- 2. changes in the DNA sequence
- 4. how a new kind of plant or animal species is created
- 5. the study of the biological and evolutionary bases for such changes.
- 7. a state of worry or mental tension caused by a difficult situation
- 9. refer to how the individuals in a population are distributed in space at a given time
- 10. transmissible from parent to offspring.
- 12. study of how the human body works
- 13. a difference in the same organism but genetically the same.
- 14. the guy who theorised evolution
- 15. the branch of biology that deals with the form of living organisms, and with relationships between their structures.