Which of the following correctly tells about population density at time t+1?

Category: QuestionsWhich of the following correctly tells about population density at time t+1?
Editor">Editor Staff asked 2 months ago

Which of the following correctly tells about population density at time t+1?
 
(a) Nt + 1 = Nt + [(B + I) – (I + E)]
 
(b) Nt + 1 = Nt + [(B + I) – (D + E)]
 
(c) Nt + 1 = Nt + [(B + D) – (B + E)]
 
(d) Nt + 1 = -Nt + [(B + I) – (D + E)]
 
This question was posed to me in my homework.
 
The above asked question is from Population Growth topic in division Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

Correct option is (b) Nt + 1 = Nt + [(B + I) – (D + E)]
 
Explanation: The population density at time t+1 is given as Nt + 1 = Nt + [(B + I) – (D + E)]. Here Nt is population at time t, B is natality, I is immigration, D is mortality while E is emigration.