Productivity and Trophic Level Quiz

Which law best helps explain why the majority of energy that flows through ecosystems is lost as heat

• The first law of thermodynamics

• The second law of thermodynamics

• The law of conservation of matter

• The law of superposition

30 billion can also be written as

• 3 x 10 ^ 9

• 3 x 10 ^ 10

• 3 x 10 ^ -9

• 3 x 10 ^ 7

Suppose the tertiary consumers have 20 kcal/m^2/year of energy available. How much was available to the producers according to the 10% rule.

• 0.002 kcal/m^2/year

• 2000 kcal/m^2/year

• 20,000 kcal/m^2/year

• 0.00002 kcal/m^2/year

25% of 432 is

• 126

• 10,800

• 0.06

• 108

Net Primary Productivity (NPP) is

• Gross Primary Productivity + Respiration

• Gross Primary Productivity - Respiration

• The raw amount of energy captured by producers

• The amount of energy contained in the second trophic level

Which of the following does NOT describe a plant?

• Autotroph

• Heterotroph

• Producer

• Member of the first trophic level

What are the inputs or reactants for photosynthesis?

• Carbon Dioxide and Oxygen

• Glucose and Oxygen

• Carbon Dioxide and Water

• Glucose and Carbon Dioxide

Which biome has the greatest primary productivity?

• Taiga

• Tropical Rainforests

• Deserts

• Temperate Grasslands