Across
- 1. a series of living things that are connected because each group of things eats the group below it in the series
- 5. synthesis of organic compounds by energy derived from inorganic chemical reactions
- 8. any of the layers of an ecosystem with the same position in the food chain
- 11. an animal that eats meat
- 12. an animal that hunts, kills, and eats other animals
- 13. carnivore at the topmost level in a food chain that feeds on other carnivores
- 15. an animal that eats other animals
- 16. an animal that eats plants and therefore changes the energy from the sun that is stored in plants into meat that can be eaten
Down
- 1. the relationship between all the living things in a particular area, when thinking about how they eat each other
- 2. an organism that feeds on dead and decomposing organic matter
- 3. an animal that is naturally able to eat both plants and meat
- 4. very small animals that float near the surface of water and on which other sea creatures feed
- 6. the process by which organisms use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
- 7. very small plants that float near the surface of water and on which sea creatures feed
- 9. an animal that eats only plants:
- 10. autotrophs, or organisms that produce their own food
- 14. an organism such as a bacterium or fungus that makes dead plant and animal material decay
- 16. an animal that is hunted and killed for food by another animal