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TLS Online TPP Program

#Question id: 8851

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?

#Section 2: Evolution
  1. Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
  2. Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
  3. Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.

  4. Many individuals are killed in the ritualistic conflicts that go along with territorial defense.

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TLS Online TPP Program

#Question id: 4595

#Section 2: Evolution

Currently, two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?
TLS Online TPP Program

#Question id: 10630

#Section 2: Evolution

Following is relation between population size with various strategies of species, following is correct figure? 
TLS Online TPP Program

#Question id: 8685

#Section 2: Evolution

Which of the following would be most useful in creating a phylogenetic tree of a taxon?
TLS Online TPP Program

#Question id: 3338

#Section 2: Evolution

If the expected frequency of heterozygotes in a population (based on the Hardy–Weinberg law) is 0.4, but the observed frequency is 0.2, what is the inbreeding coefficient?
TLS Online TPP Program

#Question id: 11360

#Section 4: Behavioural Ecology

Which of the following can contribute to the numerical response of a predator?