Across
- 3. The percentage of energy passed on to each trophic level.
- 7. The process by which plants convert sunlight into chemical energy.
- 11. An animal that primarily eats plants.
- 13. An animal that eats both plants and other animals.
- 14. An organism, such as a plant, that produces its own food. Base of the energy pyramid.
- 16. The top predator in an ecosystem, with no natural predators. Two words.
- 18. The interconnected series of food chains in an ecosystem. Two words.
- 19. An organism that consumes dead animals but does not typically hunt live prey.
Down
- 1. Organism that makes their own food using sunlight.
- 2. The total mass of living matter at each trophic level is called this.
- 4. A graphical representation showing the distribution of energy among trophic levels. Two words.
- 5. The first consumer in a food chain that eats producers is this type of consumer.
- 6. Animals that only consume other animals for energy are called this.
- 8. Animals that must eat other organisms for energy.
- 9. An organism that eats primary consumers is this type of consumer.
- 10. Model showing that energy passes from one organism to another in a linear sequence. Two words.
- 12. Each step in a food chain or food web is referred to as this. Two words.
- 15. This type of consumer preys on secondary consumers.
- 17. An organism that feeds on dead matter to break it down.
