5th Grade Science C
Across
- 2. a representation of several overlapping food chains in an ecosystem; includes the flow of energy from the Sun through producers to consumers and decomposers through multiple pathways
- 5. a community of interacting living organisms and the physical environment that they live in
- 8. living factors in the environment; related to, produced by, or caused by living organisms
- 10. process by which pressure from rocks and soil reduces the size or volume of sediments
- 12. what something is used for; purpose
- 15. something that an organism learns to do as they interact with their world
- 16. the process of taking materials ready to be thrown away and converting them into reusable materials
- 17. the impression of a prehistoric organism preserved in rock
- 19. multiple populations of different organisms that are all able to consistently meet their needs
- 21. the movement of weathered material, by wind, water, or ice
- 25. a condition that results in a change to the biotic or abiotic factors of an ecosystem
- 26. continue to live or exist
- 27. anything found in nature that can be used by humans
Down
- 1. continue to live or exist
- 3. process of breaking down rocks into smaller pieces
- 4. fuels formed over millions of years from the remains of ancient organisms
- 6. rock that forms when sediments are compacted and cemented together
- 7. a physical feature on Earth that occurs naturally
- 9. prevention of wasteful use of resources
- 11. a part or group of parts of an organism
- 13. process by which sediment is deposited in a new place
- 14. automatic behaviors that are inherited
- 17. information about long ago based on similarities in a collection of fossils from the same geographical area
- 18. throwing away or getting rid of products no longer needed
- 20. non-living elements of the environment that influence the way that organisms and ecosystems function
- 22. a characteristic that is passed from the parent to offspring
- 23. process of binding and hardening of sediments into hard rock
- 24. the surrounding or conditions in which an organism must survive