TLS Online TPP Program

#Question id: 4618


Which of the following observations helped Darwin shape his concept of descent with modification?

#Section 2: Evolution
  1. Species diversity declines farther from the equator.

  2. Fewer species live on islands than on the nearest continents.

  3. Birds live on islands located farther from the mainland than the birds' maximum nonstop flight distance.

  4. South American temperate plants are more similar to the tropical plants of South America than to the temperate plants of Europe.

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TLS Online TPP Program

#Question id: 8916

#Section 2: Evolution

What do animals as diverse as corals and monkeys have in common?

TLS Online TPP Program

#Question id: 3329

#Section 2: Evolution

The following genotypes of one locus in population are given  - Genotype ( Number)

AA (120)  AB ( 30)  BB  (50) CC  (300)

AC  (400)  BC (100)

Which of the following is the correct frequency of C allele and A allele respectively?

TLS Online TPP Program

#Question id: 10597

#Section 2: Evolution

Growth model of logistic with 1000 carrying capacity and exponential with ideal condition is related to initial population.  Growth rate was observed at population density of 100, 200, 500 and 1000. Following observation is correct?

TLS Online TPP Program

#Question id: 4599

#Section 2: Evolution

Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.

TLS Online TPP Program

#Question id: 9213

#Section 2: Evolution

Suppose you attend a town meeting at which some experts tell the audience that they have performed a cost-benefit analysis of a proposed transit system that would probably reduce overall air pollution and fossil fuel consumption. The analysis, however, reveals that ticket prices will not cover the cost of operating the system when fuel, wages, and equipment are taken into account. As a biologist, you know that if ecosystem services had been included in the analysis, the experts might have arrived at a different answer. Why are ecosystem services rarely included in economic analyses?