Across
- 4. Aspects of the environment that limit the size a population can reach
- 6. The application of scientific discoveries to meet human needs and goals through the development of products and processes
- 7. An ecosystem that remains relatively constant over time with predictable changes
- 9. A species that holds the ecosystem together and is critical for the survival of other species
- 11. An explanation of an observed phenomenon based on research
- 12. Standard/”normal” group used for comparison
- 13. Impact is independent of population density, therefore the same impact on more dense and less dense populations
- 15. Aspects of an experiment that are kept constant/consistent
- 17. The movement of a particular form of matter through the living and nonliving parts of an ecosystem
- 18. Multiple populations of different species living together
- 19. An objective, verifiable observation
- 20. An underground layer of permeable rock that can hold water
- 21. The actual area in the ecosystem where an organism lives, including all of its abiotic and biotic resources
- 23. What is deliberately changed or manipulated in an investigation
- 26. Multiple organisms of the same species living together
- 27. Individual member of a species or population
- 28. A population that grows quickly at first but levels off at the carrying capacity due to limited resources
- 30. Recovery of a previously existing ecosystem after a disturbance
- 35. All of the things an organisms needs and does within its habitat
- 36. The zone of life on Earth, encompassing all of Earth’s ecosystems
- 39. The variety of organisms considered at all levels, from populations to ecosystem
- 40. Nonliving
- 41. A population that grows without limit
- 42. Any interaction that involves a close, physical, long-term relationship between two species
- 45. A group of organisms of the same species living in the same place
- 47. Field of biology that classifies organisms, organizing them based on similar characteristics
- 48. Broad concept or principle that describes how something occurs in nature
- 49. When a body of water becomes overly enriched with nutrients, causing excessive algae growth
- 50. Group(s) being tested
- 51. Uses numbers and measurements to quantify something
Down
- 1. A mature and stable community of plants and animals that is reached at the end of succession
- 2. All of the chemical reactions of each cell in an organism that provide energy for life’s processes and create key molecules
- 3. Measure of the number of organisms living in a defined area
- 5. Organism hunting/killing another for food
- 8. The theoretical maximum population that a given environment could support
- 10. What changes in response to the IV; what is measured
- 14. The first organisms to grow in a new environment
- 16. Balance between Earth’s resources, human needs, and the needs of other species
- 17. Multiple ecosystems that share similar characteristics but are located in different parts of the planet
- 22. Greater impact on a more dense population
- 24. Organism being killed/consumed as food
- 25. Applies scientific and mathematic principles to solve problems
- 29. Formation of a brand new ecosystem where one didn’t previously exist
- 31. The amount of carbon emitted and its environmental impact
- 32. Tool used for identifying organisms based on their characteristics
- 33. Community plus all of the abiotic factors in the environment
- 34. A statement based on repeated experimental observation that describes an aspect of the world
- 36. 2-name naming system that names organisms after their Genus species
- 37. The study of relationships between two organisms and between an organism and its environment
- 38. Non-native species introduced to an ecosystem that negatively harm it
- 43. Living
- 44. Diagram that shows relatedness of organisms
- 46. Describes qualities using the senses