Which of the following statements about the evolution of life histories is correct?

A) Unstable environments with unlimited resources favor r-selected populations.

B) K-selected populations are most often found in environments where density-independent factors are important regulators of population size.

C) Most populations have both r- and K-selected characteristics that vary under different environmental conditions.

D) The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.

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#Question id: 16852

#General Aptitude

He bought a blue car on his birthday.

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#Question id: 11353

#Section 4: Behavioural Ecology

Prior to the availability of a measles vaccine, outbreaks of measles occurred at two-year intervals, why?

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#Question id: 4952

#Section 2: Evolution

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

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#Question id: 10862

#Section 2: Evolution

The fundamental niche of a species is

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#Question id: 9155

#Section 2: Evolution

The success of plants extending their range northward following glacial retreat is primarily determined by ________.