Resource Availability

2. Used by organisms to do everything it needs to live
4. When populations have high birth rates, plenty of resources, minimal diseases and natural disasters, the population will...
7. An organism that eats only plants
8. What is an individual animal, plant, or single-celled life form.
11. All of the members of the same species in an area
13. Non living part of the environment
15. All of the different populations of organisms living in an area
16. This variable isn't changed by the other variables you are trying to measure
18. An organism that eats both plants and animals
19. When populations have low birth rates, minimal resources, many diseases and natural disasters, the population will...

1. The largest population size an ecosystem can hold
3. A diagram that shows how energy decreases as it travels through the trophic levels of a food chain
5. The organism that is hunted
6. When two organisms fight over the same resource
9. An organism that eats only other animals
10. This variable is being measured or tested in an experiment
11. The organism that hunts others for food
12. The scarcest resource that limits a population's size
14. Living part of the environment; includes anything made by a living organism
17. Living and nonliving things interacting in an area