#Question id: 10656
#Section 2: Evolution
Which of the following is an incorrect statement about the regulation of populations?
A) The logistic equation reflects the effect of density independent factors, which can ultimately stabilize populations around the carrying capacity.
B) Density-independent factors have an increasingly greater effect as a population’s density increases.
C) High densities in a population may cause physiological changes that inhibit reproduction.
D) Because of the overlapping nature of population-regulating factors, it is often difficult to precisely determine their cause-and-effect relationships.
#Question id: 4622
#Section 2: Evolution
Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvierʹs attempt to explain the existence of
#Question id: 10836
#Section 1: Ecology
Which of the following is an example of a plant morphological defence?
#Question id: 9232
#Section 5: Applied Ecology & Evolution
Establishing new nature reserves in biodiversity hot spots may not necessarily the best choice because ________.
#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?