Questions & Answers
Browse all 18 questions from the
Foundations of Nature Demography study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the term for the number of individuals of a single species living in a specific area?
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A
Population size
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B
Habitat
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C
Ecosystem
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D
Biome
2
Which demographic factor increases the size of an animal population?
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A
Predation
-
B
Birth rate
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C
Disease
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D
Emigration
3
What is the movement of animals out of a population to a new location called?
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A
Immigration
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B
Migration
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C
Emigration
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D
Extinction
4
When a population has more births than deaths, what happens to the total number of individuals?
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A
It decreases
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B
It stays the same
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C
It increases
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D
It disappears
5
What is the study of human and animal population statistics called?
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A
Demography
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B
Geography
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C
Geology
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D
Biology
6
Which of these is a limiting factor that can stop a population from growing?
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A
Abundant food
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B
Lack of space
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C
Low temperature
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D
High oxygen
7
What term describes the number of deaths in a population over a specific period?
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A
Fertility rate
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B
Mortality rate
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C
Growth rate
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D
Birth rate
8
What does a 'carrying capacity' represent in an environment?
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A
The maximum population size an area can support
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B
The speed of animal migration
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C
The total land area of a park
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D
The number of species in a forest
9
If a population of squirrels is stable, what must be true about the birth and death rates?
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A
Birth rate is higher than death rate
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B
Death rate is higher than birth rate
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C
Birth rate and death rate are equal
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D
Both rates are zero
10
What is the movement of animals into a new population area called?
-
A
Immigration
-
B
Emigration
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C
Adaptation
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D
Hibernation
11
Which of these factors is most likely to decrease a population size?
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A
Abundant resources
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B
High birth rate
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C
Disease outbreak
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D
Safe habitat
12
What term describes the average number of offspring produced by a female in a population?
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A
Mortality
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B
Fertility
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C
Migration
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D
Population density
13
What is defined as the number of individuals per unit area or volume?
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A
Population density
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B
Population age
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C
Population size
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D
Population distribution
14
In demography, what does 'age structure' represent?
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A
How old the oldest animal is
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B
The proportion of individuals in different age groups
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C
The total lifespan of a species
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D
The size of the habitat
15
Which term refers to the variety of different species living in an ecosystem?
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A
Population
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B
Community
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C
Biodiversity
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D
Habitat
16
What is the primary source of population growth in a closed ecosystem?
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A
Births
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B
Immigration
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C
Emigration
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D
Death
17
Which of the following is an example of an abiotic factor that limits population size?
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A
Predator population
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B
Parasite levels
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C
Water availability
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D
Prey density
18
What is the name for the period between birth and the ability to reproduce?
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A
Maturation
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B
Extinction
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C
Migration
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D
Mortality
