Trophic level Energy / kJ Level 1 10000 Level 2 1000 Level 3 100 Level 4 10 Fig. shows the energy available at each trophic level in a habitat. Which level ...
Question 1 Report
| Trophic level | Energy / kJ |
| Level 1 | 10000 |
| Level 2 | 1000 |
| Level 3 | 100 |
| Level 4 | 10 |
Fig. shows the energy available at each trophic level in a habitat. Which level contains the producers?
Answer Details
Producers capture energy at the start of the chain, so they hold the most energy of any trophic level; energy then falls at each step upward. The table shows Level 1 has the greatest energy at 10000 kJ, decreasing to just 10 kJ at Level 4, so Level 1 contains the producers. The highest level number here has the least energy, which is the consumers at the top, not the producers. The producers are always the level with the most available energy.
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