Across
- 1. Major type of aquatic life zone; High salinity
- 5. fear of many forms of wildlife.
- 7. threshold level
- 8. change in climate
- 10. removal or large expanses of forest for human benefits
- 15. a hypothesis of death and birth rate of a population
- 17. number of child born per woman in her lifetime
- 18. a heritable trait that allow organism to be naturally selected
- 19. capacity to do work
- 20. Major type of aquatic life zone; Low salinity
- 21. a large terrestrial portion of biosphere
- 23. Areas general weather condition
- 24. primary decomposer organism
- 25. Love of life
Down
- 2. a large aquatic portion of biosphere
- 3. Natural selection; individual, ____; populations
- 4. Acronym for greatest cause of premature extinction
- 6. the usefulness of species in terms of economic and ecological service
- 9. a change that help both different organism to survive and become more competitive
- 11. it is forever
- 12. few survivors of species that could be gone forever.
- 13. ability to survive to changing environment conditions indefinitely
- 14. gases gases that warms the lower atmosphere
- 16. set of organism that interacts to each other
- 22. system responds to change through ______ loops