MCQOPTIONS
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				| 1. | 
                                     Each organism occupies a particular trophic level in a food chain. Moving from one trophic level to the nex involves an energy loss of about  | 
                            
| A. | 10% | 
| B. | 30% | 
| C. | 50% | 
| D. | 70% | 
| Answer» B. 30% | |