Species Fit Along a Continuum of R- and K-Selection; Not

question 203

Multiple Choice

Species fit along a continuum of r- and K-selection; not all species show purely r traits or purely K traits.For example, sparrows produce several young per year but only live a few years, while the wandering albatross first reproduces at age 10 and then produces a single egg every other year during its 40-year life span.Compared to the albatross, the sparrow is more

• A) r-selected, because it is iteroparous.
• B) r-selected, because it is semelparous.
• C) r-selected, because of its short life span.
• D) K-selected, because it reproduces earlier in life.
• E) K-selected, because it reproduces for fewer years.

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