TLS Online TPP Program

#Question id: 3307


Which of the following conditions is not necessarily be fulfilled to trigger natural selection

#Section 2: Evolution
  1. Trait must be inherited

  2. Variation in their fitness

  3. Sexual reproduction

  4. Power of multiplication

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TLS Online TPP Program

#Question id: 10605

#Section 2: Evolution

DN/dt = rN (K-N/K )The logistic equation above is used to describe the rate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. Which of N value will show maximum per capita growth rate?  (K= 1000, r =.05)

TLS Online TPP Program

#Question id: 11052

#Section 1: Ecology

An example of territoriality is

TLS Online TPP Program

#Question id: 10684

#Section 2: Evolution

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 3502

#Section 4: Behavioural Ecology

Sexual dimorphism (SD) is a pattern that is seen throughout the animal kingdom and differences between the sexes in coloration are common in many organisms. Following some statement are given

A) There are many mechanisms that drive the evolution of SD, the most accepted mechanism being sexual selection

B) Mate choice is an important proximate mechanism of sexual selection, often the sex with the higher reproductive investment is the ‘choosy’ sex

C) Larger species are more sexually dimorphic than smaller species

D) Terrestrial species tend to be more sexually dimorphic than arboreal species

Which of the following above statement is correct?

Which one of the following is correct?

TLS Online TPP Program

#Question id: 11714

#Section 2: Evolution

In recognizing patchiness in the natural world, ecologists have developed three different models of populations. Which of these recognize(s) that there are differences in the quality of habitat patches without considering effects of differences in habitat quality within the habitat matrix?