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Swathi was growing a bacterial colony in a culture flask under ideal laboratory conditions where the resources are replenished. Which of the following equations will represent the growth in this case?

(Where population size is N, birth rate is b, death rate is d, unit time period is t, and carrying capacity is K).

  1. dN/dt = KN
  2. dN/dt = r N
  3. dN/dt = r N(K-N/K)
  4. dN/dt = r N(K+N/K)



b. dN/dt = r N

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.