Food Webs & Limiting Factors

3. One organism intentionally kills another for food.
7. Makes its own food.
10. Symbiotic relationship in which one organism is helped.
12. Organism that eats other plants or animals for energy and nutrients.
14. Something in an ecosystem that is alive or was once alive.
15. Community of living organisms
16. Breaks down dead organisms and waste products.
17. Eats primary consumers
20. Two or more organisms in which at least one of them benefits from the relationship.
21. Helps one of the organisms and harms the other one.
22. Eats secondary consumers

1. Organism that can produce its own food using light, water, and/or carbon dioxide.
2. The amount of energy stored in a trophic level that is passed on to the next level.
4. Gets energy it needs by feeding on other organisms.
5. The position of an organism in the food chain.
6. Symbiotic relationship in which both organisms benefit.
8. Two or more organisms need the same resources which are limited.
9. In a food web, these point in the direction that energy flows.
11. Environmental factors that limit a population's size from growing.
13. Something in an ecosystem that is not or has never been alive.
18. The main source of energy for Earth.
19. Eats producers