___ 1. Symbiosis is always a positive thing.
__FALSE___ 2. Competitors compete by eating each other.
__FALSE___ 3. Fleas on a dog are an example of mutualism.
__FALSE___ 4. Competitors are always of the same species.
__FALSE___ 5. With commensalism both organisms benefit from the relationship.
__TRUE___ 6. Predators are heterotrophic organisms.
__TRUE___ 7. Pests can strongly influence population numbers of other organisms.
__TRUE__ 8. The amount of predators in an area can be seen as a limiting factor.
__TRUE___ 9. The amount of competitors in an area can be seen as a limiting factor.
__TRUE___ 10. Bees and flowers are an example of mutualism.