Across
- 2. the variety of life in the world or in a particular habitat or ecosystem.
- 5. instrument measuring atmospheric pressure
- 11. the process by which green plants and some other organisms use sunlight to synthesize foods
- 13. relating to biology or living organisms.
- 16. communication of thoughts or ideas by means other than the known senses
- 18. instrument on a vehicle's dashboard indicating its speed.
- 19. a system for transmitting voices over a distance using wire or radio
- 20. an optical instrument designed to make distant objects appear nearer
- 21. the study of living organisms.
- 22. the continuous line forming the boundary of a closed geometric figure.
- 23. account of a person's life written by that person
Down
- 1. instrument for measuring and indicating temperature
- 3. an account of someone's life written by someone else.
- 4. the products of the graphic arts
- 6. a television broadcast.
- 7. instrument for estimating the distance traveled on foot
- 8. looking nice in photographs
- 9. transmit by television
- 10. involving the emission of electrons from a surface by the action of light.
- 11. the orientation of a plant or other organism in response to light
- 12. instrument that measures and records details of earthquakes
- 14. capable of being decomposed by bacteria or other living organisms
- 15. the total quantity or weight of organisms in a given area or volume.
- 17. machine for making photocopies
- 20. a system for transmitting messages from a distance along a wire