C4.2 - Crossword Labs

6. An organism that obtains energy by feeding on other organisms.
9. A consumer that eats producers; also known as a herbivore.
12. The form of energy lost from ecosystems that cannot be recycled.
13. A reservoir that accumulates and stores a nutrient for long periods.
15. The first trophic level consisting of autotrophs that fix carbon.
16. A consumer that eats primary consumers; also known as a carnivore.
18. The approximate amount of energy passed from one trophic level to the next.
19. The accumulation of carbon compounds in biomass by autotrophs.
21. The accumulation of carbon compounds in biomass by heterotrophs.

1. A linear sequence showing the flow of energy from one organism to the next.
2. An organism like fungi or bacteria that breaks down dead organic matter.
3. The rate of transfer of a nutrient (like carbon) between different pools.
4. A complex network of interconnected food chains within an ecosystem.
5. The position an organism occupies in a food chain or web.
7. An organism that uses light energy to produce its own organic compounds.
8. The total dry mass of all organisms in a particular trophic level.
10. The process that releases energy from carbon compounds, losing much as heat.
11. An organism that lives on dead matter, secreting digestive enzymes onto it.
14. The biogeochemical cycle by which carbon is exchanged among the biosphere.
17. An organism that ingests non-living organic matter called detritus.
20. A graphical representation of energy or biomass at each trophic level.