Energy Flow

7. Most efficient photosynthesizes
8. Also called cyanophytes, bacteria, with chlorophyll
9. Mass of living tissue
10. Physiological or biological necessities that affect survival
13. Have an internal support structure of silica
15. Better represents the flow of energy in nature than a trophic pyramid
17. A wide variety of organisms that share a habitat and lifestyle
18. Responsible for most of the ocean's primary production
21. Live part of their life as plankton
22. Most efficient ecosystem on earth
23. Coastal temperate and subpolar regions are ocean regions that have the ___primary productivity

1. Made of levels, showing how energy transfers from one level of organisms to the next as they consume each other
2. Happens when an autotroph receives too much or too little light
3. Has a rigid cell wall made of silica
4. Have one or two whip-like flagella
5. Percent of energy that transfers from each trophic level
6. Break down organic material into an inorganic form
8. Consumes autotrophs/producers
11. Time of explosive reproduction and growth of plankton species
12. _____depth is when the amount of carbohydrates produced by and autotroph equals the amount required for its respiration
14. An organism that consumes primary consumers
16. Spend entire life as plankton
19. Decomposition renews____materials necessary for energy to enter life through primary production; completes materials cycle
20. Silica cell wall of a diatom