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Number 1. What is the SI unit of measurement for energy?

Correct Answer: Joules

Number 2. What percentage of energy in a trophic level is available for the next trophic level to use?

Correct Answer: 10

Number 3. If there are 165,000 Joules of energy are present in the producers level of an ecosystem, how many joules of energy will be available for the tertiary consumers?

Correct Answer: 165

Number 4. If there are 25,000 Joules of energy in the primary consumer trophic level, how many Joules of energy are available to the secondary consumers?

Correct Answer: 2500

Number 5. What is the living matter in an ecosystem called?

Correct Answer: Biomass

Number 6. If there are 850 Joules of energy in the tertiary consumer level, how many Joules of energy were in the secondary consumer trophic level?

Correct Answer: 8500