Across
- 2. caused by electromagnetic waves especially high-energy particles which cause ionization
- 3. removal of trees
- 9. how autotrophic organisms synthesize foods from carbon dioxide and water
- 14. a metabolic process in which living cells of an organism obtains energy (in the form of ATP) by taking in oxygen and liberating carbon dioxide
- 17. mass arrival or incoming of many organisms from one ecosystem to another
- 18. the variety of all living things and their interactions
- 20. organisms responsible for breaking down matter (e.g. bacteria, fungi)
- 21. a characteristic of a material that allows fluids to flow through
- 24. the process by which heat energy is transmitted through direct contact
- 29. introduction of contaminants into the natural environment that cause adverse change
- 31. the release of energy buildup from seismic activity
- 32. the layer of the atmosphere where organisms live and weather happens
- 33. spore-producing decomposers who flower mushrooms
- 34. the process of decomposing, breaking up, or changing color of rocks due to environmental factors
- 37. when sediment stops moving and ends up in a location
- 38. the powerhouse of the cell
- 40. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth
- 41. a greenhouse gas that is released from cows
Down
- 1. an organism whose survival is dependent on a host
- 4. when plants release water from their stomata
- 5. the process in which an individual organism adjusts to a change in its environment
- 6. the chemical element of atomic number 15 that exists naturally in rocks
- 7. an ancient supercontinent that existed about 300 million years ago
- 8. any fuel that comes from the decomposition of organisms from millions of years ago
- 10. the process by which the mix of species and habitat in an area changes over time
- 11. a relationship between organisms in which one is harmed when both are trying to use the same resource related to growth, reproduction, or survivability
- 12. a prefix indicative of '1000'
- 13. responsible for harvesting the suns energy to feed all other organisms
- 15. the chemical element of atomic number 7, found abundantly in the atmosphere
- 16. interaction between two different organisms
- 19. a sealed transparent container that mimics a small ecosystem
- 22. a particular section, group, or type of people or animals living in an area
- 23. the chemical element of atomic number 8 and the life-supporting component of the air.
- 25. a controlled, aerobic process that converts organic materials into a nutrient-rich soil through decomposition
- 26. caused by a naturally occurring fire or prescribed burn
- 27. the branch of biology that deals with the geographical distribution of plants and animals
- 28. a simple, nonflowering, and typically aquatic plant
- 30. the practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products
- 35. species that are larger, have long lifespans, produce few young at a time
- 36. an organism that one cannot see with the naked eye
- 39. movement of fluids in a system impacted by temperature and density changes