How Is It That Satellites Can Detect Differences in Primary

question 82

Multiple Choice

How is it that satellites can detect differences in primary productivity on Earth?

• A)Photosynthetic organisms absorb more visible light in the 350-750 wavelengths.
• B)Satellite instruments can detect reflectance patterns of the photosynthetic organisms of different ecosystems.
• C)Sensitive satellite instruments can measure the amount of NADPH produced in the summative light reactions of different ecosystems.
• D)Satellites detect differences by comparing the wavelengths of light captured and reflected by photoautotrophs to the amount of light reaching different ecosystems.
• E)Satellites detect differences by measuring the amount of water vapour emitted by transpiring producers.

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Definitions:

Large-Scale Farming

Agricultural operations that involve extensive areas of land and high levels of mechanization and technology to produce large quantities of crops or livestock.

Soil Oxygen

The amount of oxygen present in the soil, essential for the respiration of plant roots and soil organisms.

Global Food Production

The worldwide process of growing, processing, and distributing foodstuffs to meet the demand of populations across the globe.