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NEETZoologyOrganisms and Populations

What is the ultimate cause of population density changes according to the paragraph?

Options

  1. ASeasonal variations
  2. BHuman interventions
  3. CFour basic processes
  4. DEcosystem changes

Correct answer

C. Four basic processes

Step-by-step solution

The size of a population for any species is not a static parameter. It keeps changing with time, depending on various factors including food availability, predation pressure and adverse weather. In fact, it is these changes in population density that give us some idea of what is happening to the population – whether it is flourishing or declining. Whatever might be the ultimate reasons , the density of a population in a given habitat during a given period, fluctuates due to changes in four basic processes. Natality

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