Across
- 4. orderly structure of cells in an organism; a characteristic of all living things.
- 7. the moral principles and values held by humans
- 10. symbol that warns you about a danger that may exist, from chemicals, electricity, heat, or experimental procedures
- 11. the ability to do work; organisms use energy to perform biological functions
- 17. in an experiment, that results from changes in the independent variable
- 19. increase in the amount of living material and formation of new structures in an organism; a characteristic of all living things
- 20. procedure that tests a hypothesis by collecting information under controlled conditions
- 23. biotic and abiotic surroundings to which an organism must constantly adjust; includes air, water, weather, temperature, other organisms, and many other factors
- 24. an organism’s reaction to a change in its internal or external environment
Down
- 1. gradual accumulation of adaptations over time
- 2. in an experiment, the standard in which all of the conditions are kept the same
- 3. in an experiment, the condition that is changed because it affects the outcome of the experiment
- 5. the study of life that seeks to provide an understanding of the natural world
- 6. series of steps that biologists and other scientists use to gather information and answer questions; include observing and hypothesizing, experimenting, and gathering and interpreting results
- 8. production of offspring by an organism; a characteristic of all living things
- 9. information obtained from experiments, sometimes called experimental results
- 12. application of scientific research to society’s needs and problems
- 13. anything that possesses all of the characteristics of life; all organisms have an orderly structure, produce offspring, grow, develop, and adjust to changes in the environment
- 14. group of organisms that can interbreed and produce fertile offspring in nature
- 15. evolution of a structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment
- 16. organism’s regulation of its internal environment to maintain conditions suitable for survival; a characteristic of all living things; process pf maintaining equilibrium in an organism’s internal environment
- 17. all of the changes that take place during the life of an organism; a characteristic of all living things
- 18. any condition in an environment that requires an organism to adjust
- 21. explanation for a question or a problem that can be formally tested
- 22. explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations