#1
Which of the following is a density-independent factor affecting population growth?
Natural disasters
ExplanationAffect population growth irrespective of population density.
#2
What is the formula for calculating population growth rate?
(Birth rate + Immigration rate) - (Death rate + Emigration rate)
ExplanationAccounts for births, deaths, immigration, and emigration.
#3
Which of the following is a density-dependent factor influencing population growth?
Food availability
ExplanationAffects population growth based on population density.
#4
What is the carrying capacity of an environment?
The maximum population size that can be supported indefinitely by the environment
ExplanationThe ultimate population limit an environment can sustain.
#5
Which of the following best describes exponential population growth?
Population growth accelerates over time
ExplanationPopulation increase at an ever-growing rate.
#6
What is the replacement-level fertility rate?
The fertility rate required to maintain a stable population size
ExplanationBirth rate needed to replace dying individuals.