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TLS Online TPP Program

#Question id: 3315

Which one of the following statements is TRUE for Negative-frequency dependent selection?

#Section 2: Evolution

  1. Fitness of a genotype increases as it becomes less common.

  2. Fitness of a genotype increases as it becomes more common.

  3. Fitness of a genotype decreases as it becomes less common.

  4. Fitness of a genotype decreases as it becomes common and gets fixed.

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TLS Online TPP Program

#Question id: 12334

#Section 1: Ecology

If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except
TLS Online TPP Program

#Question id: 16875

#Section 3: Mathematics and Quantitative Ecology

In a random sample of 1000 students, pˆ = 0.80 (or 80%) were in favor of longer hours at the school library. The standard error of pˆ (the sample proportion) is
TLS Online TPP Program

#Question id: 4564

#Section 2: Evolution

Who would have proposed that the boundaries between each stratum mark the occurrence of different localized floods?
TLS Online TPP Program

#Question id: 8929

#Section 2: Evolution

An obsolete taxon, the ʺRadiata,ʺ included all phyla whose adults had true radial symmetry. Today, the ʺRadiataʺ is more correctly considered to be
1. a clade.
2. a grade.
3. monophyletic.
4. paraphyletic.
5. polyphyletic.
TLS Online TPP Program

#Question id: 4943

#Section 2: Evolution

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?