Parasite and predator have long been associated with their respective host and prey respectively. Which of the following is correct statement?

A. Body size of parasite is always smaller than host but predator usually larger than prey

b- Predator immediately kill their prey but parasite may or may not be kill their host

c- Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey

d- Body association time between parasite and host is more than time association between predator and prey

#Question id: 10669

#Section 2: Evolution

The three graphs (A, B, C) show population growth (N) patterns in relation to N or time (t)

Which of the following above graph showing exponential growth?

#Question id: 10670

#Section 2: Evolution

To estimate the number of foxes in an area, a researcher conducted a mark-recapture survey. In the first survey, he caught and marked N number of foxes. In his second survey a week later, he caught 120 foxes of which 90 were unmarked (recaptures). If you are told that the actual number of foxes in this area is 400, what is value of N in this area?

#Question id: 11510

#Section 2: Evolution

Life history trait varies environmental condition, both survivorship and fecundity is habitat dependent in practice but intrinsic rate of increase can change as environmental change. Following life history trait is characteristic of r-selected species?

A) Later age at first reproduction                    B) Long generation time

C) Multiple broods per life spans                    D) Large number of offspring per brood

#Question id: 11511

#Section 2: Evolution

A metapopulation is

#Question id: 11512

#Section 2: Evolution

The mortality rate of organisms following a type iii survivorship curve is

#Question id: 11513

#Section 2: Evolution

Organisms whose life history adaptation is called semelparity