Across
- 3. an organism that can create its own food
- 7. an animal that is hunted by predator
- 10. an animal that eats prey
- 11. an organism that makes its own food through processes
- 12. a bacteria that is commonly found in the lower intestine of warm-blooded organisms
- 13. an organism that cannot create its own food and must consume it
- 15. association between organisms of two different species in which each benefits
- 18. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
- 19. the position of an organism in the food chain and ranges from a value of 1 for primary producers to 5 for marine mammals and humans
- 20. an animal that eats meat
Down
- 1. the process in which light energy is converted to chemical energy in the form of sugars
- 2. an organelle within the cells of plants and certain algae that is the site of photosynthesis
- 4. an animal that eats both plants and meat
- 5. a graphical portrayal of biomass present in a unit of the territory of different trophic levels
- 6. an animal that eats plants
- 8. an antibiotic. It is used to treat infections caused by bacteria. It does not work on viral infections
- 9. a simple flow of energy
- 14. exchange of oxygen and carbon dioxide
- 16. interconnected food chains in one
- 17. organisms that are too small to be seen without using a microscope