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NEET2016ZoologyOrganisms and PopulationsActual

Which of the following is correct for r-selected species?

Options

  1. ALarge number of progeny with small size
  2. BLarge number of progeny with large size
  3. CSmall number of progeny with small size
  4. DSmall number of progeny with large size

Correct answer

A. Large number of progeny with small size

Step-by-step solution

Population evolve to maximize their reproductive fitness in the habitat in which they live. This fitness towards maximizing reproductive is called as Darwinian fitness (high r-value). According to this, under a particular set of selection pressures, organism evolves towards the most efficient reproductive strategy. Some of these are as follows: (i) BREEDING HABIT: Some organisms breed only once in their lifetime (pacific salmon fish) while others breed many times during their lifetime (most bird and mammals) (ii) N

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