Across
- 4. knowledge that covers general truths or the operation of general laws especially when acquired and tested by the scientific method
- 5. collection of related tissues grouped together performing a common function
- 7. process of gradual change during which new species arise from older species and some species become extinct
- 11. ability of an organism to maintain constant internal conditions
- 13. smallest fundamental unit of structure and function in living things
- 14. all of the individuals of a species living within a specific area
- 15. small structures that exist within cells and carry out cellular functions
- 16. ability to be disproven by experimental results
- 19. form of logical thinking that uses related observations to arrive at a general conclusion
- 20. suggested explanation for an observation which can be tested
Down
- 1. group of similar cells carrying out related functions
- 2. the study of living organisms and their interactions with one another and their environments
- 3. form of logical thinking that uses a general inclusive statement to forecast specific results
- 6. tested and confirmed explanation for observations or phenomena
- 8. smallest and most fundamental unit of matter
- 9. collection of all the ecosystems on Earth
- 10. chemical structure consisting of at least two atoms held together by one or more chemical bonds
- 12. diagram showing the evolutionary relationships among various biological species based on similarities and differences in genetic or physical traits or both
- 17. all the living things in a particular area with the abiotic, nonliving parts of that environment
- 18. individual living entity