Energy Flow

4. Responsible for most of the ocean's primary production
5. Spend entire life as plankton
7. Silica cell wall of a diatom
9. Also called cyanophytes, bacteria, with chlorophyll
10. A wide variety of organisms that share a habitat and lifestyle
12. Physiological or biological necessities that affect survival
14. An organism that consumes primary consumers
17. Most efficient ecosystem on earth
18. Mass of living tissue
20. _____depth is when the amount of carbohydrates produced by and autotroph equals the amount required for its respiration
21. Have one or two whip-like flagella
22. Happens when an autotroph receives too much or too little light
23. Consumes autotrophs/producers

1. Live part of their life as plankton
2. Coastal temperate and subpolar regions are ocean regions that have the ___primary productivity
3. Time of explosive reproduction and growth of plankton species
6. Break down organic material into an inorganic form
8. Percent of energy that transfers from each trophic level
11. Have an internal support structure of silica
13. Better represents the flow of energy in nature than a trophic pyramid
15. Most efficient photosynthesizes
16. Has a rigid cell wall made of silica
19. Decomposition renews____materials necessary for energy to enter life through primary production; completes materials cycle