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TLS Online TPP Program

#Question id: 5228

Multigene families are

#Unit 11. Evolution and Behavior

  1. groups of enhancers that control transcription.

  2. identical or similar genes that have evolved by gene duplication.

  3. equivalent to the operons of prokaryotes.

  4. sets of genes that are coordinately controlled.

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TLS Online TPP Program

#Question id: 12604

#Unit 10. Ecological Principles

Which of the following ecosystems would likely have a larger net primary productivity/hectare? 
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?