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TLS Online TPP Program

#Question id: 10612

#Section 2: Evolution

dN/dt = rN (K-N/K )

The logistic equation above is used to describe therate 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 value of N showing maximum growth rate?

  ( K= 420, r =.05)

TLS Online TPP Program

#Question id: 12152

#Section 1: Ecology

When immigration from large, productive subpopulations keeps declining subpopulations from dwindling to extinction, the phenomenon is called the __________. 

TLS Online TPP Program

#Question id: 11260

#Section 1: Ecology

J.p. Grime classified plant life histories into three extremes, "stress tolerators," "ruderals," and "competitors." which of these would exhibit a slow potential growth rate?

TLS Online TPP Program

#Question id: 12343

#Section 1: Ecology

Hybrids between some related species of plants are sterile because the parent plants had different chromosome numbers. Occasionally the chromosome number of such a hybrid  plant doubles spontaneously. Which of the following best describes the descendants of those plants with the double chromosome number?

TLS Online TPP Program

#Question id: 3450

#Section 4: Behavioural Ecology

This behavior, in which individual members of a species maintain exclusive use of an area that contains some limiting resource, such as foraging ground, food, or potential mates, is called