Across
- 2. an animal that is hunted and killed by another for food
- 4. the physical universe
- 6. plant or animal that requires complex organic compounds for food which it obtains by preying on other living things or eating particles of organic matter
- 7. a group of living things that belong to one or more species, and are located in one place
- 9. a group of one or more species of organisms living in a particular area or habitat
- 10. a class of things of the same kind and with the same name
- 11. change in an organism or its parts that fits it better for the conditions of its environment
- 13. an animal, plant, or single-celled life form
- 15. an animal that lives by killing and eating other animals
Down
- 1. a living thing that makes its food from simple inorganic substances and many of which are food sources for other organisms
- 3. a system made up of an ecological community of living things interacting with their environment especially under natural conditions
- 5. the whole complex of factors that influence the form and the ability to survive of a plant or animal or ecological community
- 8. a series of organisms in which each uses the next usually lower member of the series as a food source
- 12. an organism that feeds on and breaks down dead plant or animal matter
- 14. the natural home or environment of an animal
