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TLS Online TPP Program

#Question id: 10584

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 the following statements is true for this equation?

#Section 1: Ecology
  1. For a given population, r is variable.
  2. For a given environment, K is variable.
  3. As N approaches K, dN/dt is maximum .
  4. As N approaches K/2, dN/dt is maximum
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TLS Online TPP Program

#Question id: 11775

#Section 1: Ecology

When the phenotype of an individual organism is affected by a variety of environmental factors, the relationship between phenotype and environment is referred to as __________.
TLS Online TPP Program

#Question id: 12371

#Section 1: Ecology

Succession results from disturbance by fire.
TLS Online TPP Program

#Question id: 11247

#Section 4: Behavioural Ecology

The theoretical maximum population size that can be supported indefinitely in a given habitat is the _____________.
TLS Online TPP Program

#Question id: 12690

#General Aptitude

From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :
TLS Online TPP Program

#Question id: 12146

#Section 2: Evolution

Which of the following is not a density-dependent factor?