Flow of Energy Reassessment Activity

2. organisms that make their own food using light and other chemicals
6. (two words) for organisms that eat the primary consumers
8. organism at the beginning of a food chain
9. (three words)predators keep herbivore populations in check, allowing vegetation to thrive
12. eats dead matter and returns nutrients to the ecosystem
14. eats the recently dead
17. the increase in concentration of toxins in organisms at the top of the food chain
19. excessive nutrients leading to algae blooms which ultimately lead to dead zones without oxygen
21. (two words)predator at the top of the food chain which has no natural predators of its own
22. (two words) an ecological phenomenon that occurs when a predator's actions indirectly impact lower levels of a food web, causing changes in the abundance and biomass of different trophic groups
24. (two words) a species on which many other species in an ecosystem depends on
25. organisms that make their own food using sunlight

1. (two words) a simple series using arrows showing the flow of energy from one organism to the next
3. (two words) organisms that eat the plants
4. organism that eats plants or animals to get energy and nutrients
5. (three words)abundance and distribution of organisms at high trophic levels are controlled by producers
7. (two words)indicating an organism's position in a food chain
10. eats only plants
11. eats other animals or meat
13. eats both plants and animals
15. organisms that get energy and nutrients by eating other organisms
16. (two words) for interconnecting food chains showing all feeding relationships
18. (two words) for organisms that feed on tertiary consumers
20. (two words) for organisms who feed on secondary consumers
23. organisms that make their own food from chemicals