Across
- 3. a collection of all ecosystems on Earth
- 4. a field of science that studies the physical world, its phenomena, and processes
- 7. all individuals within a species living within a specific area
- 10. a group of similar cells carrying out the same function
- 11. a form of science that aims to observe, explore, and find things out
- 13. a chemical structure consisting of at least two atoms held together by a chemical bond
- 15. a method of research with defined steps that include experiments and careful observation
- 16. a membrane-bound compartment or sac within a cell
- 18. science that seeks to expand knowledge regardless of the short-term application of that knowledge
- 19. an individual living entity
- 20. able to be disproven by experimental results
- 21. a field of science, such as astronomy, physics, and chemistry, that studies nonliving matter
- 25. (2 words)the higher level of organization that consists of functionally related organs
- 28. a basic unit of matter that cannot be broken down by normal chemical reactions
- 30. a form of reasoning that uses related observations to arrive at a general conclusion
- 31. the ability of an organism to maintain constant internal conditions
- 32. (2 words)a description, often in the form of a mathematical formula, for the behavior of some aspect of nature under certain specific conditions
- 33. all living things in a particular area together with the abiotic, nonliving parts of that environment
- 34. a part of an experiment that can vary or change
Down
- 1. the process of gradual change in a population that can also lead to new species arising from older species
- 2. (2 words) a diagram showing the evolutionary relationships among biological species based on similarities and differences in genetic or physical traits or both
- 5. a form of science that solves real-world problems
- 6. (2 words)a form of science that begins with a specific explanation that is then tested
- 8. a suggested explanation for an event, which can be tested
- 9. the study of life
- 12. the smallest fundamental unit of structure and function in living things
- 14. a field of science, such as biology, that studies living things
- 16. a structure formed of tissues operating together to perform a common function
- 17. an organism with cells that have nuclei and membrane-bound organelles
- 22. (2 words) a thoroughly tested and supported explanation for observations or phenomena
- 23. a set of populations inhabiting a particular area
- 24. a form of reasoning that uses a general statement to predict specific results
- 26. a large molecule typically formed by the joining of smaller molecules
- 27. a unicellular organism that lacks a nucleus or any other membrane-bound organelle
- 29. a part of an experiment that does not change during the experiment
- 32. knowledge that covers general truths or the operation of general laws, especially when acquired and tested by the scientific method