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TLS Online TPP Program

#Question id: 12781

Subtraction of which of the following will convert gross primary productivity into net primary productivity?

#Unit 10. Ecological Principles
  1. The energy contained in the standing crop 
  2. The energy used by heterotrophs in respiration
  3. The energy used by autotrophs in  respiration 
  4. The energy fixed by photosynthesis
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TLS Online TPP Program

#Question id: 12603

#Unit 10. Ecological Principles

As big as it is, the ocean is nutrient-limited. If you wanted to investigate this, one reasonable avenue would be to
TLS Online TPP Program

#Question id: 12602

#Unit 10. Ecological Principles

Aquatic primary productivity is most limited by which of the following?
TLS Online TPP Program

#Question id: 12601

#Unit 10. Ecological Principles

The total biomass of photosynthetic autotrophs present in an ecosystem is known as
TLS Online TPP Program

#Question id: 12600

#Unit 10. Ecological Principles

Ecosystems are
TLS Online TPP Program

#Question id: 12599

#Unit 10. Ecological Principles

What is the most important role of photosynthetic organisms in an ecosystem? 
TLS Online TPP Program

#Question id: 12563

#Unit 10. Ecological Principles

How does phosphorus normally enter ecosystems?