Across
- 1. a diagram that shows one feeding relationship in an environment
- 3. the study of population characteristics such as growth rate, age structure, and geographic distribution
- 7. the total weight of all living matter
- 9. a group of organisms, all of the same species that inhabit an area at the same time
- 11. growth pattern where a population grows faster as it increases in size
- 13. arid region with sparse to almost nonexistent vegetation
- 14. biome just south of the tundra, characterized by a boreal forest or northern coniferous forest and acidic mineral poor topsoils
- 17. the study of organisms and how they interact with their environment
- 21. biome near the equator with warm temperatures, wet weather, and lush plant growth
- 22. coastal body of water, partially surrounded by land in which freshwater and saltwater mix
- 23. the ability of an organism to withstand fluctuations in biotic and abiotic factors
- 24. factor all the living things in an environment
Down
- 2. the number of organisms an environment can support
- 4. all of the biotic and abiotic factors that make up an environment
- 5. biome composed of large communities covered with rich soils, grasses, and similar small plants, receives 25-75 cm of precipitation annually
- 6. portion of Earth that supports life
- 8. biome composed of forests of boroad leaf hardwood trees that lose their foliage annually, receives 70-150 cm of precipitation annually
- 10. biome that surrounds the north and south poles; treeless land with long summer days and short period of winter sunlight, characterized by permafrost
- 12. community a community made up of interactive populations in a certain area at a certain time
- 15. portion of the shoreline that lies between high tide and low tide
- 16. factor nonliving part of an ecosystem
- 18. group of ecosystems with the same climax communities
- 19. a diagram that shows all the possible feeding relationships in an environment
- 20. a place where an organism lives its life