Across
- 4. Organisms such as millipedes and soil insects that scavenge the waste products or dead bodies of other community members and return nutrients from them to the soil.
- 6. Organisms that eat other animals that are dead
- 7. The energy or biomass that is left after the producers have metabolized enough for their own maintenance
- 8. Organisms that break down leaf litter and other nonliving matter into simpler constituents that can be taken up and used by plants. These include fungi, bacteria, and earthworms.
- 9. The position in a food chain in which an organism resides, based upon its primary source of nutrition
Down
- 1. The process by which green plants and other organisms use sunlight to synthesize food from water and carbon dioxide
- 2. Organisms that cannot produce their own food. They must obtain their energy from consuming other organisms
- 3. Organisms that are able to capture the Sun's energy, water and carbon dioxide and convert it into food
- 5. The increasing concentration of a persistent, toxic chemical from the bottom to the top of a food chain