#1
Which of the following is a density-independent factor affecting population growth?
Predation
Resource availability
Climate change
Competition for mates
#2
Which of the following is an example of a density-dependent factor regulating population size?
Natural disasters
Climate change
Disease outbreaks
Availability of sunlight
#3
What is the approximate current world population as of 2024?
5 billion
7.5 billion
10 billion
12.5 billion
#4
Which of the following is an example of a density-independent factor affecting population growth?
Predation
Disease
Competition for resources
Climate events
#5
Which of the following is a push factor influencing human migration?
Job opportunities
Political stability
Natural disasters
Quality education
#6
What is the term for the number of births per 1,000 individuals in a population per year?
Mortality rate
Fertility rate
Growth rate
Birth rate
#7
Which of the following is not a phase in the demographic transition model?
Pre-industrial
Post-industrial
Industrial
Transitional
#8
What is the term for the movement of individuals into a population?
Emigration
Immigration
Migration
Natality
#9
What is the term for the proportion of individuals in different age groups within a population?
Population density
Age distribution
Mortality rate
Fertility rate
#10
Which of the following is an example of a density-dependent factor regulating population growth?
Drought
Earthquake
Predation
Disease
#11
What is the term for the movement of individuals out of a population?
Immigration
Emigration
Migration
Natality
#12
What is the term for the maximum number of individuals of a species that an environment can support indefinitely?
Biological potential
Carrying capacity
Intrinsic rate of increase
Population density
#13
Which equation represents the logistic growth model?
dN/dt = rN
dN/dt = rN(K - N)/K
dN/dt = rN(1 - N/K)
dN/dt = rN(1 + N/K)
#14
The demographic transition model involves transitions between which stages?
Pre-industrial, industrial, post-industrial
Pre-agricultural, agricultural, industrial
Pre-modern, modern, post-modern
Primitive, traditional, modern
#15
Which of the following is not a characteristic of a Type I survivorship curve?
High survivorship throughout most of the lifespan
Typically observed in species with few offspring but high parental care
Commonly found in r-strategist species
Examples include humans and some large mammals
#16
What is the relationship between population growth rate and the age structure diagram in an expanding population?
Pyramid-shaped age structure
Bell-shaped age structure
Inverted pyramid age structure
Column-shaped age structure
#17
What term describes the maximum rate at which a population could increase under ideal conditions?
Carrying capacity
Biological potential
Intrinsic rate of increase
Population density
#18
Which of the following factors is associated with a declining birth rate in many developed countries?
High infant mortality rate
Increased access to contraception
Low life expectancy
High fertility rate
#19
Which of the following is a characteristic of an age-structure diagram for a population experiencing rapid growth?
Narrow base, wide top
Narrow top, wide base
Even distribution across age groups
No discernible pattern
#20
Which of the following is not a consequence of rapid population growth?
Increased demand for resources
Environmental degradation
Decreased competition for resources
Strain on infrastructure
#21
Which factor is often considered the primary driver of population growth in developing countries?
Birth rate
Death rate
Emigration rate
Immigration rate
#22
Which of the following is a factor contributing to population decline in developed countries?
High fertility rates
Increased access to healthcare
Economic instability
Limited access to education
#23
Which of the following is a characteristic of a Type III survivorship curve?
High survivorship at young ages
Constant survivorship across all ages
High survivorship at older ages
Low survivorship at young ages
#24
Which of the following is a consequence of an aging population?
Increased workforce participation
Decreased healthcare costs
Increased dependency ratio
Decreased demand for social services
#25
What does the term 'carrying capacity' refer to in ecology?
The maximum population size a habitat can support indefinitely
The rate at which a population grows under ideal conditions
The number of individuals needed to maintain genetic diversity
The amount of resources available per individual in a population