Population Dynamics and Ecosystem Equilibrium Quiz

Explore population ecology with questions on carrying capacity, population growth, species interactions, and more.

#1

Which factor primarily determines the carrying capacity of an ecosystem?

Amount of sunlight
Average temperature
Availability of resources
Predator-prey ratio
#2

Which of the following is a density-independent factor affecting population growth?

Competition for resources
Disease outbreak
Natural disasters
Predation
#3

What term is used to describe the maximum population size that a given environment can sustain?

Biome
Habitat
Ecological niche
Carrying capacity
#4

Which of the following factors would most likely contribute to a decrease in the death rate within a population?

Increase in predation
Decrease in available resources
Improved healthcare
Harsher environmental conditions
#5

What term is used to describe the number of individuals per unit area or volume?

Density
Abundance
Distribution
Dispersion
#6

What term is used to describe the process by which a population increases in size over time?

Population dispersion
Population growth
Population decline
Population equilibrium
#7

Which of the following is an example of a density-independent factor that can affect population growth?

Availability of food
Disease outbreak
Predation pressure
Floods
#8

Which of the following is an example of a K-selected species?

Mosquitoes
Rabbits
Elephants
Bacteria
#9

Which ecological concept describes the relationship where two species compete for the same limited resource and negatively affect each other's growth?

Mutualism
Predation
Symbiosis
Competition
#10

Which of the following describes the relationship where one organism benefits while the other is unaffected?

Commensalism
Mutualism
Parasitism
Predation
#11

Which type of growth curve describes a population that experiences rapid exponential growth, followed by a leveling off as it reaches the carrying capacity?

Exponential growth
Logistic growth
Arithmetic growth
Linear growth
#12

Which of the following is an example of a density-dependent factor that can regulate population size?

Natural disasters
Disease outbreaks
Temperature fluctuations
Sunlight intensity
#13

Which of the following is an example of an r-selected species?

Whales
Oak trees
Bacteria
Wolves
#14

Which ecological concept refers to the way organisms are distributed in a particular area?

Species richness
Species diversity
Population density
Spatial distribution
#15

In the logistic growth model, what does 'r' represent?

Intrinsic growth rate
Carrying capacity
Density-dependent factor
Density-independent factor
#16

What term describes the maximum growth rate of a population under ideal conditions?

Carrying capacity
Intrinsic growth rate
Biological growth rate
Exponential growth rate

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