this is all from a crossword puzzle Across 7. Organisms which make their own chemical energy. 8. Long whip-like tail, used for locomotion. 9. Organisms which need oxygen to survive 10. Attachment points for bacteria 12. Small organelles involved in making proteins. 13. Name for true, modern bacteria. 14. Name for "squiggly" shaped bacteria. 15. Small circular segment of DNA. Often exchanged between bacteria. 16. Photosynthetic bacteria containing chlorophyll a & b. Down 1. Organisms which obtain energy by consuming organic material. 2. Structures which bacteria form to endure adverse situations. 3. Name for all contents of a cell, except for nucleus. 4. Ancient bacteria often found in harsh environments 5. Name for rod-shaped bacteria. 6. Name for round shaped bacteria. 7. Organisms which do not require oxygen to survive. 11. The act of two bacteria joining and exchanging DNA.ā