California State University, Fullerton » Biology » Biology 252 - Principles of Ecology » Summer 2020

Question #1

The birth rate, b, is defined by the following equation(s):,,

A. b = Bt - Nt

B. b = Bt / Nt

C. b = r – d

D. b = r / d

E. b = r + d

Question #2

The carrying capacity of an environment is characterized as the maximum sustainable

A. resource availability

B. growth rate

C. finite rate of increase

D. volume

E. population density

Question #3

Exponential growth in a population occurs when

A. growth rate r increases exponentially

B. growth rate r is constant

C. carrying capacity is infinite

D. birth rate exceeds death rate

E. immigration exceeds emigration

Question #4

A population of rabbits contained 200 individuals in 2017 and 300 in 2018. What was its finite rate of increase, λ, over that one year?

A. 1.5

B. 0.5

C. 0

D. 100

E. 1

Question #5

A population of goats on an island is at carrying capacity. This means that the population growth is limited by

A. Resources

B. Density dependence

C. Intrinsic factors

D. Extrinsic factors

E. All of the above