Biology 1
Across
- 6. A unicellular organism that lacks a nucleus or membrane-bound organelles
- 13. A form of logical thinking that uses related observations to arrive at a general conclusion
- 14. A basic unit of matter that cannot be broken down by normal chemical reactions
- 17. An organism that can make its own food from materials in its environment
- 20. An organism with cells that have nuclei and membrane-bound organelles
- 21. The group where the independent variable is applied
- 23. Data that is descriptive
- 24. The process of gradual change in a population
- 25. Knowledge covering general truths or operation of general laws, tested by scientific method
- 28. A suggested explanation for an event, which can be tested
- 30. The variable that will change when the independent variable is altered
- 32. Statements that describe what should happen if the hypothesis is supported
- 34. Claims or beliefs portrayed as scientific fact but cannot be evaluated using the scientific method
- 36. All living things in an area with nonliving parts of that environment
- 38. A membrane-bound compartment or sac within a cell
Down
- 1. An organism that cannot make its own food
- 2. A set of populations inhabiting a particular area
- 3. A large molecule typically formed by joining smaller molecules
- 4. The variable being altered or changed by the researcher
- 5. Variables that must be kept consistent to avoid affecting experiment results
- 7. A form of logical thinking that uses a general statement to forecast results
- 8. A diagram showing evolutionary relationships among biological species
- 9. The study of living organisms and their interactions
- 10. A chemical structure of at least two atoms held together by a chemical bond
- 11. All individuals within a species living within a specific area
- 12. The study of life
- 15. Data that is numerical
- 16. Part of an experiment that does not change
- 18. The higher level of organization of functionally related organs
- 19. The highest level of the taxonomic hierarchy
- 22. The smallest fundamental unit of structure and function in living things
- 26. The ability of an organism to maintain constant internal conditions
- 27. A scientific report reviewed by colleagues before publication
- 29. It can be shown to be false by experimental results
- 31. An individual living entity
- 33. A collection of all ecosystems on Earth
- 35. A structure of tissues operating together to perform a common function
- 37. A group of similar cells carrying out the same function