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TLS Online TPP Program

#Question id: 11174

Why might a peahen choose to mate with a peacock with a long, gaudy tail?

#Section 2: Evolution

  1. He is easier to find than a male with a plain tail

  2. She feels sorry for him
  3. Actually, it is the male (peacock) that chooses its mate
  4. A male with such a tail who is able to survive and reproduce likely carries genes that will enhance the survival of the peahen's young
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TLS Online TPP Program

#Question id: 12676

#Section 5: Applied Ecology & Evolution

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions.

What would be a likely entry for box B?

TLS Online TPP Program

#Question id: 12579

#Section 5: Applied Ecology & Evolution

Which of the following probably contains the highest concentration of toxic pollutants (biological magnification)? 
TLS Online TPP Program

#Question id: 10859

#Section 1: Ecology

Plants that depend upon ants to spread their seeds
TLS Online TPP Program

#Question id: 10708

#Section 1: Ecology

Which of the following statements is a likely explanation for why invasive species take over communities into which they have been introduced?
TLS Online TPP Program

#Question id: 12342

#Section 1: Ecology

Which of the following is a biological attribute that would most likely allow a species to become cosmopolitan in distribution?