Across
- 1. that illustrates a food chain
- 3. a mutually beneficial relationship between several members of an ecological community is called
- 4. they benefit from the rhinos, but the rhinos are neither helped nor harmed by the egrets
- 5. It can cover large portions of the earth's surface, perhaps up to a continent
- 8. Plants and algae are the most common food manufacturers called
- 9. the ticks-exhibit
- 14. The realm of life on Earth
- 16. the rocky shores of Iceland are an example of a
- 17. are living parts of their ecosystem
- 18. one organism is injured while the other is unaffected
- 22. when organisms try to use the same resource
- 23. It is the study of interrelationship between organisms and their physical surroundings.
- 24. other organisms cannot produce their own food but instead consume the producers called
- 25. to refer to the number of species in an area
Down
- 2. organisms that break down nutrient are called
- 6. a limited area smaller than a biome in which living and nonliving things interact
- 7. symbiosis is usually a good thing, but nature is not always kind
- 10. the way that puffins live in their habitat is their ecological
- 11. the waste products of plants and animals called
- 12. These non living aspects of an ecosystem are called
- 13. ecologists call this ecological layering in a biome
- 15. The more the merrier
- 19. the seasons are a direct result of the earth's tilt
- 20. web food chains are connected in a
- 21. these animals interact with each other within their habitat, a phenomenon that ecologist call