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TLS Online TPP Program

#Question id: 11054

In red grouse populations on the grasslands, many males do not acquire territories. Which of the following is least likely to be a valid hypothesis about these male grouse?

#Section 1: Ecology
  1. All of these are valid hypotheses
  2. They are most likely to be younger, less experienced males
  3. They spend less time moving around and thus have more energy for reproduction
  4. They are more likely to acquire mates than territory holders
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TLS Online TPP Program

#Question id: 11930

#Section 1: Ecology

When females are equally successful in raising young on monogamous and polygynous male territories, the population is said to have reached the: 
TLS Online TPP Program

#Question id: 11931

#Section 1: Ecology

Sexual dimorphism may arise from: 
TLS Online TPP Program

#Question id: 11932

#Section 1: Ecology

According to the hamilton-zuk hypothesis, a female bird is most likely to select a male as a mate that has: 
TLS Online TPP Program

#Question id: 12140

#Section 1: Ecology

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________. 
TLS Online TPP Program

#Question id: 12141

#Section 1: Ecology

The density and spacing of individuals within suitable habitat and the proportions of individuals in each age class comprise a population's __________. 
TLS Online TPP Program

#Question id: 12142

#Section 1: Ecology

Regarding the geographic range of a species, which of the following statements is true?