Across
- 5. what is a response to stimulus?
- 7. months going towards light is an example of what type of behavior
- 8. unrestricted populations of organisms experience
- 9. when an organism moves into a population
- 10. what is the highest level of organization in ecology
- 12. differential movement of a plant in response to touch stimulus
Down
- 1. obtaining energy from sunlight for nutrition
- 2. A biotic or abiotic resource in the environment that causes population size to decrease is a
- 3. what occurs in essentially lifeless areas
- 4. differential growth of a plant in reponse to gravity pulling on it
- 6. branch of biology that deals with the relation of organisms one to another and their surroundings
- 11. when an organism moves out of a population