#Question id: 10631
#Section 1: Ecology
To estimate the number of foxes m an area, a researcher conducted a mark-recapture survey. In the fast survey, he caught and marked 90 foxes. In his second survey a week later, he caught 120 foxes of which 40 were marked (recaptures). If you are told that the actual number of foxes in this area is 400, which of the following is a plausible explanation for the anomaly in the researcher's data?
#Question id: 10632
#Section 1: Ecology
Three different population growth pattern related to population density are shown in figure
#Question id: 10634
#Section 1: Ecology
Consider a population which is changing from one generation to the next as per the equation N(t) = R*N(t-1), where N(t) represents the size of the population at time t and R is a constant growth parameter. Under what condition is the population likely to go extinct?
#Question id: 10635
#Section 1: Ecology
Three important biological parameters – generation time, per capita growth rate (r) and clutch size are a function of the organism‟s body size. Which of the curves (a) or (b) represents the correct relation of each of the parameters to body size?
#Question id: 10640
#Section 1: Ecology
Given below is a graphical representation of plant life histories based on Grime's model in which disturbance and competition are the important factors
Which of the following options correctly represents A, B and C, respectively in the figure above?
#Question id: 10642
#Section 1: Ecology
Which curve best describes survivorship in a songbirds and marine crustacean that molts respectively?
