#Question id: 16772
#Section 3: Mathematics and Quantitative Ecology
What is the Median of the following data sample? 2, 7, 4, 8, 9, 10, 6, 12, 13
#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: 4655
#Section 2: Evolution
Over evolutionary time, many cave-dwelling organisms have lost their eyes. Tapeworms have lost their digestive systems. Whales have lost their hind limbs. How can natural selection account for these losses?
#Question id: 10844
#Section 2: Evolution
In the formula for biotic potential (dN/dt = rIN), what does n stand for?
#Question id: 12298
#Section 1: Ecology