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TLS Online TPP Program

#Question id: 9202

Which of the following statements regarding extinction is accurate?

#9. Diversity of Life Forms

  1. A large percentage of species are immune from extinction; however, rates of extinction may increase with continued human impacts.

  2. Extinctions occur only periodically, separated by long time spans with no extinctions.
  3. Extinction is occurring at a similar rate now as compared to historical fossil evidence.

  4. The small-population approach is inferior to the declining-population approach if the goal is to conserve the maximum number of species in a given region.

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TLS Online TPP Program

#Question id: 4957

#11. Evolution and Behavior

How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?
TLS Online TPP Program

#Question id: 10731

#10. Ecological Principles

Shannon index of diversity is calculated using the equation below


Community with 5 species and evenness value is one, what will be value of Shannon index
TLS Online TPP Program

#Question id: 10230

#10. Ecological Principles

Closely related species whose populations are sometimes allopatric showing greater morphology similarity but in a sympatric with distinct morphology due to
TLS Online TPP Program

#Question id: 3048

#2. Cellular Organization

 If a bacterium regenerates from an endospore that did not possess any of the plasmids that were contained in its original parent cell, the regenerated bacterium will probably
TLS Online TPP Program

#Question id: 22954

#5. Developmental Biology

According to the which Model, floral organ identity is regulated by tetrameric complexes of the ABCE proteins