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Which of the following statements is true?
Primary Producers
Organisms, usually plants and algae, that can produce their own food through photosynthesis, forming the base of the food web.
Headwater Streams
The upper tributaries of a river system, crucial for maintaining the health of the entire ecosystem.
Ecological Services
The benefits that humans receive from natural ecosystems, including pollination, water purification, and climate regulation.
Economic Services
Economic services are activities that generate economic value or provide support to the economic infrastructure, including banking, retail, transportation, and healthcare.
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