Across
- 2. Organism that can capture energy from sunlight or chemicals and use that energy to produce food
- 4. The process in which autotrophs use chemical energy to produce carbohydrates
- 6. Breaks down organic matter, such as a fungus
- 8. Eats only animals
- 10. The scientific study of interactions among organisms and between organisms and their environment
- 13. _____ factor: Any living part of an environment
- 16. All the organisms that live in a particular place, together with their physical environment
- 20. Obtains energy by eating only plants
- 22. The process in which autotrophs capture light energy and use it to convert carbon dioxide and water into oxygen and sugars
- 23. A series of steps that shows the energy flow from producer to consumers
Down
- 1. The parts of the planet in which all life exists
- 3. _____ factor: Any nonliving part of an environment
- 5. Feeds on dead matter, such as an earthworm
- 7. Another name for an autotroph
- 8. Different populations that live together in an area
- 9. A network of all the food chains in an ecosystem
- 11. Organism that relies on other organisms for their energy and food
- 12. A group of ecosystems that have similar climates and organisms
- 14. Each step in a food chain or food web
- 15. Another name for a heterotroph
- 17. The main source of energy on Earth
- 18. Consumes the carcasses of other animals, such as a vulture
- 19. Eats both plants and animals
- 21. Individuals that belong to the same species and live in the same area