Primary Productivity and Biodiversity

What is primary productivity?

• The rate at which solar energy is transformed into organic compounds

• The rate at which plants grow

• The rate at which animals consume plants

• The rate at which sunlight is reflected off plants

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NGSS.HS-LS1-5

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How is primary productivity measured?

• Kilocalories per meter squared per year

• Kilograms per square meter

• Liters per square meter

• Meters per kilocalorie

What is net primary productivity?

• The amount of energy plants use for cellular respiration

• The total amount of sunlight captured by plants

• The amount of energy plants store as biomass

• The amount of energy plants convert into glucose

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NGSS.HS-LS1-5

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What does ecological efficiency refer to?

• The portion of sunlight captured by plants and converted into biomass

• The portion of sunlight reflected off plants

• The portion of sunlight that passes through plants without being captured

• The portion of sunlight used by plants for cellular respiration

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Which factor contributes to high net primary productivity?

• Low temperature

• Low nutrient availability

• Low water availability

• High nutrient availability

Which biome is most productive in terms of both aquatic and terrestrial ecosystems?

• Desert

• Tundra

• Swamps and marshes

• Open ocean

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NGSS.HS-LS2-5

Which biome is least productive in terms of both aquatic and terrestrial ecosystems?

• Desert

• Tundra

• Swamps and marshes

• Open ocean

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NGSS.HS-LS2-5

What is the relationship between primary productivity and biodiversity?

• Higher primary productivity leads to lower biodiversity

• Higher primary productivity leads to higher biodiversity

• Primary productivity and biodiversity are unrelated

• Biodiversity has no impact on primary productivity

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What is the process of net primary productivity?

• The conversion of sunlight into organic compounds

• The amount of energy plants use for cellular respiration

• The storage of energy as biomass

• The growth of plants through photosynthesis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the skill practiced in the FRQ at the end of the video?

• Describing an environmental concept or process

• Calculating primary productivity

• Explaining the relationship between primary productivity and biodiversity

• Measuring solar energy acquisition

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NGSS.HS-LS2-2