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Assessment
What is the main source of energy for the primary producers in an ecosystem?
Sunlight
Decomposers
Carnivores
Herbivores
In a food web, which trophic level typically has the highest biomass?
Primary producers
Primary consumers
Secondary consumers
Tertiary consumers
Which of the following statements about energy flow in ecosystems is true?
Energy is recycled through trophic levels.
Energy decreases as it moves up trophic levels.
Energy is conserved and remains constant in food webs.
Energy flows in a circular manner among trophic levels.
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