question_answer

Which of the following statements) is/are correct?

(i) In a population growth rate curve, the lag phase represents the period when a population is adjusting to a new environment.

(ii) In a population growth rate curve the steepest part of growth phase represents the period when a population is growing exponentially.

(iii) In the stationary phase of a population growth rate curve, the population is in dynamic equilibrium.

(iv) Humans have changed the carrying capacity of the earth.

A) All of these

B) (i), (ii) and (iii)

C) (ii) and (iii)                                

D) (i) and (iv)