Vocabulary: Life Geography
Across
- 6. diversity among and within plant and animal species in an environment
- 7. the living together of two dissimilar organisms, as in mutualism, commensalism, amensalism, or parasitism
- 10. a carnivore at the topmost level in a food chain that feeds on other carnivores
- 12. the struggle between individuals of the same or different species for food, space, light, etc, when these are inadequate to supply the needs of all
- 13. all the individuals of one species in a given area
- 14. the nonliving parts of a ecosystem
- 16. the trophic level which consumes producers
- 19. an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances
- 21. a depiction of the amount of energy in each trophic level of an ecosystem
Down
- 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years
- 2. a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community
- 3. an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect
- 4. a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax
- 5. an organism, usually an animal, that feeds on plants or other animals
- 7. the sum of the changes in the composition of a community that occur during its development towards a stable climax community
- 8. the living parts of an ecosystem
- 9. the organism that eats herbivores on a food pyramid
- 11. the chain from a food source to the ultimate consumer
- 15. an organism that eats only meat
- 17. the natural environment of an organism
- 18. an organism that eats plants
- 20. an organism that can make its own food;at the bottom of food pyramid