TLS Online TPP Program

#Question id: 9217


Which of the following conditions is the most likely indicator of a population in an extinction vortex?

#Section 2: Evolution
  1. The species in question is found only in small, stable pockets of its former range.
  2. The effective population size of the species falls below 1,000.
  3. Genetic measurements indicate a loss of genetic variation over time.
  4. The population is permanently small.
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TLS Online TPP Program

#Question id: 11662

#Section 1: Ecology

During the successional process generation of community through the short time period successional process as well as long time successional process;

a) During short time period evolve pioneer community from the climax community

b) During short time period generation of the microbial community 

c) During long time period generation of end community (forest) from the pioneer community

d) During long time period generation of the microbial community 

TLS Online TPP Program

#Question id: 11663

#Section 1: Ecology

Successional community changes in every steps,  process of lithosere is involved in a particular order manner such as,

TLS Online TPP Program

#Question id: 11911

#Section 1: Ecology

Michael Moulton and Stuart Pimm (1986) showed how the success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present , find out the correct graph represents, morphological differences and the probability of invasion success ;

TLS Online TPP Program

#Question id: 11912

#Section 1: Ecology

The success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present. If there was a small morphological difference in bill length between the resident and introduced species, then

TLS Online TPP Program

#Question id: 11914

#Section 1: Ecology

Alder trees, which harbour nitrogen-fixing bacteria in their roots, provide nitrogen to soils developing on sandbars rivers, this is an example of,

TLS Online TPP Program

#Question id: 11915

#Section 1: Ecology

Which of the following is the correct prediction about the three types of model such as; Facilitation, Inhibition, Tolerance model.