Across
- 5. Wetlands formed where rivers meet the sea.
- 6. The variety of life in a particular habitat or ecosystem.
- 7. An explanation based on prior knowledge or experience and not solely based on evidence of something directly observed.
- 9. All the living organisms that inhabit an environment.
- 11. Biological community and all the nonliving factors that affect it.
- 13. Something you can record using your senses to gather information about a natural event.
- 15. The amount of dissolved salt in a water.
Down
- 1. Group of organisms of the same species that occupy the same space at the same time.
- 2. The total mass of organisms in a given area.
- 3. Nonliving components of environment.
- 4. Any biotic or abiotic factor that restricts the existence, numbers, reproduction or distribution of organisms.
- 8. Any living thing.
- 10. Movement of individuals into a population.
- 12. An organism that makes its own food.
- 14. A biologist who studies the relation between organisms and their environment.