Biosphere

5. The process that releases energy from glucose in cells.
9. A linear feeding relationship showing energy transfer.
10. An imbalance where respiration exceeds photosynthesis would decrease levels of this gas.
14. Organisms that make their own food using chemical energy instead of sunlight.
16. Factors like nitrogen and phosphorus that limit ecosystem growth.
18. The total mass of living matter at a trophic level.
19. A tendency to stick to other surfaces.
21. The rate at which producers convert energy into biomass.
22. Layered rock structures that provide evidence of early photosynthetic life.
23. Organisms that obtain energy by eating other organisms.

1. Organisms that are essential to recycle nutrients.
2. Organisms that make their own food and form the base of food chains.
3. What moves in one direction through ecosystems in this pattern.
4. Energy is eventually lost as this during cellular respiration.
6. The position an organism occupies in a food chain.
7. A network of interconnected feeding relationships.
8. The process that stores energy in glucose using sunlight.
11. A diagram that shows the decrease of energy at each trophic level.
12. The universal solvent essential for transporting nutrients.
13. A tendency to stick to itself.
15. The primary energy source for most ecosystems.
17. An element that cycles through rocks and does not have a significant atmospheric phase.
20. The layer of gases surrounding Earth.