Across
- 1. bipedal, endothermic vertebrate that lays amniotic eggs and has wings and feathers.
- 2. science science that is undertaken to find solutions to practical problems.
- 7. an individual living thing.
- 8. regular movement of individuals or populations each year during certain seasons, usually to find food, mates, or other resources.
- 10. study of life and living things.
- 12. form of energy in blowing wind.
- 14. broad explanation that is widely accepted because it is supported by a great deal of evidence.
- 15. the study of microorganisms.
- 17. group of specialized cells of the same kind that perform the same function.
Down
- 1. science that is undertaken to discover new knowledge and gain a better understanding of the natural world, regardless of whether it has any practical use.
- 3. any chemical that affects the body’s structure or function.
- 4. multicellular, heterotrophic eukaryote with specialized cells that lack cell walls; member of the animal kingdom.
- 5. way of gaining knowledge about the natural world that depends on evidence, reasoning, and repeated testing.
- 6. structure composed of two or more types of tissues that work together to perform a particular function.
- 9. simple sugar that all living things use to store and transport energy.
- 11. the ability to do work.
- 13. all the living things in a given area together with the physical and chemical factors of the nonliving environment.
- 16. basic unit of structure and function of living things