APES Video Quiz Unit 1 (1.8-1.11)

Primary productivity is primarily defined as the rate of ​ (a)   transformed into (b)   compounds.

• mechanical energy
• organic
• productive
• water energy
• solar energy

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Which unit is used to measure primary productivity?

• Joules per meter squared per year

• Kilocalories per meter squared per year

• Watts per meter squared per year

• Calories per hectare per year

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What is gross primary productivity (GPP)?

• The energy used by plants for cellular respiration

• The total amount of sunlight captured by plants

• The energy stored as biomass

• The amount of energy lost during photosynthesis

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What does net primary productivity (NPP) represent?

• The total energy produced by plants

• The energy available for consumers after respiration losses

• The rate at which animals consume plants

• The energy required for plant growth

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Which biome is predicted to have the highest primary productivity?

• Desert

• Tundra

• Tropical rainforest

• Open ocean

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What factor contributes to high net primary productivity in a biome?

• Low temperatures

• High nutrient availability

• Low water availability

• High phosphorus stored in rock

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What is the main focus of the notes videos this week?

• The role of primary decomposers in ecosystems

• Energy flow through ecosystems, trophic levels, & Primary Productivity

• The significance of Primary Productivity in an exoskeleton

• The effects of climate change on forests and decomposers of Primary Productivity

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Match the items and percentages below.

• 10%

• Score you want on this quiz

• 1%

• Energy captured by plants from the sun for photosynthesis

• 100%

• Energy transferred from one trophic level to the next

• 90%

• Energy "lost" at each trophic level to heat & movement

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In the context of energy flow, what happens to most of the energy when it is transferred between organisms?

• It is transformed into chemical energy

• It is lost as heat

• It is stored indefinitely

• It is converted into light energy

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Which of the following statements is true regarding the conservation of matter?

• Matter is created and destroyed in ecosystems

• Matter changes forms but is never destroyed

• Matter only exists in soil and water

• Matter cannot be transformed in ecosystems

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