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Study the graph given below and answer t...

Study the graph given below and answer the questions that follow :
(i) The curve 'b' is described by the following equation :
`(dN)/(dt) = rN {(K-N)/(K)}`
(ii) What does 'K' stand for in this equation ? Mention its significance.
(ii) Which one of the two curves is considered a more realistic one for most of the animal populations ?
(iii) Which curve would depict the population of a species of deer if there are no predators in the habitat ? Why is to so ?

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