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 = r / d

B. b = Bt - Nt

C. b = Bt / Nt

D. b = r – d

E. b = r + d

Question #2

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

A. population density

B. volume

C. resource availability

D. growth rate

E. finite rate of increase

Question #3

Exponential growth in a population occurs when

A. carrying capacity is infinite

B. immigration exceeds emigration

C. growth rate r is constant

D. growth rate r increases exponentially

E. birth rate exceeds death rate

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

C. 0.5

D. 1

E. 100

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. Extrinsic factors

D. Intrinsic factors

E. All of the above