Energy Flow

1. Percent of energy that transfers from each trophic level
5. _____depth is when the amount of carbohydrates produced by and autotroph equals the amount required for its respiration
8. Have one or two whip-like flagella
9. Decomposition renews____materials necessary for energy to enter life through primary production; completes materials cycle
12. Has a rigid cell wall made of silica
13. Better represents the flow of energy in nature than a trophic pyramid
15. Have an internal support structure of silica
16. Mass of living tissue
17. Also called cyanophytes, bacteria, with chlorophyll
18. Spend entire life as plankton
19. Consumes autotrophs/producers
20. Physiological or biological necessities that affect survival
22. Break down organic material into an inorganic form

1. Made of levels, showing how energy transfers from one level of organisms to the next as they consume each other
2. Most efficient photosynthesizes
3. Live part of their life as plankton
4. Happens when an autotroph receives too much or too little light
6. Most efficient ecosystem on earth
7. Time of explosive reproduction and growth of plankton species
10. Responsible for most of the ocean's primary production
11. An organism that consumes primary consumers
14. Coastal temperate and subpolar regions are ocean regions that have the ___primary productivity
21. Silica cell wall of a diatom
23. A wide variety of organisms that share a habitat and lifestyle