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#Question id: 12437


An earthquake that kills an entire population of koalas would be

#Section 1: Ecology
  1. An example of homeostasis
  2. An example of a population bottleneck
  3. An example of a density-dependent mechanism
  4. An example of a density-independent mechanism

Answer:- Option(s): 4


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#Question id: 11057

#Section 2: Evolution

Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?

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#Question id: 8287

#Section 2: Evolution

The following phylogeny shows six living species (a-f) and five ancestral (now extinct) species (#1-5). If the phylogeny had been developed on the basis of similarities in bone structure, which of the following predictions would you make in terms of the structure of a particular enzyme?


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#Question id: 10820

#Section 2: Evolution

Of the following types of interactions, which one is least likely to limit population size?

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#Question id: 11251

#Section 1: Ecology

The highest grade of sociality in the animal world is called:

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#Question id: 11178

#Section 4: Behavioural Ecology

At low population densities

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