Energy Flow

7. Have one or two whip-like flagella
9. Happens when an autotroph receives too much or too little light
11. Break down organic material into an inorganic form
12. Most efficient photosynthesizes
13. _____depth is when the amount of carbohydrates produced by and autotroph equals the amount required for its respiration
17. Live part of their life as plankton
18. Also called cyanophytes, bacteria, with chlorophyll
20. An organism that consumes primary consumers
21. Time of explosive reproduction and growth of plankton species
22. Mass of living tissue
23. Coastal temperate and subpolar regions are ocean regions that have the ___primary productivity

1. Most efficient ecosystem on earth
2. Silica cell wall of a diatom
3. Responsible for most of the ocean's primary production
4. Have an internal support structure of silica
5. Better represents the flow of energy in nature than a trophic pyramid
6. Percent of energy that transfers from each trophic level
8. Physiological or biological necessities that affect survival
10. Has a rigid cell wall made of silica
14. A wide variety of organisms that share a habitat and lifestyle
15. Consumes autotrophs/producers
16. Spend entire life as plankton
19. Decomposition renews____materials necessary for energy to enter life through primary production; completes materials cycle