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What is population dynamics?
The study of extinction
The study of populations and how they change
The study of biodiversity
The study of genetics
What are the two types of limiting factors?
Controlled and uncontrolled
Abiotic and biotic
Natural and human
Density-dependent and density-independent
What does growth rate measure?
The number of ecosystems in an area
The size of an individual
The biodiversity of a region
How fast a population changes in size
What is exponential growth?
Population that decreases steadily
Population that remains at zero
Population that stays constant
Population growth that increases faster as size increases
What is logistic growth?
Population growth without limits
Population growth that levels off near carrying capacity
Population growth that never slows down
Population growth that always decreases
What is carrying capacity (K)?
The total biodiversity of an area
The average number of organisms in an area
The smallest possible population size
The maximum population size an ecosystem can support
What are r-strategists?
Species with zero growth
Species at carrying capacity
Species with rapid growth and high death rates
Species with slow growth and low death rates
What are K-strategists?
Species with short lifespans and no care
Species with rapid reproduction
Species with random distribution
Species with few offspring and logistic growth
What is biodiversity?
Only plant species
Variation in living things
Only the number of animals
Similarity among organisms
What does high biodiversity provide?
A smaller chance of survival
A more balanced and resilient ecosystem
Only more plants
A decline in population size
What is conservation biology?
Study of human demographics
Study of climate change
Study and practice of protecting biodiversity
Study of extinct species
What is a biodiversity hotspot?
Area with no living things
A region with only plants
A zoo with many species
Location with many endemic species
What is demographic transition?
When developed countries have fewer children
When birth and death rates are equal
When populations reach zero growth
When populations double in size
What are demographics?
Data on plants only
Information about extinct species
Information about human populations
Data on biodiversity
What is biomass?
The number of animals only
All the matter in a biological population
The food chain energy
The average plant size
What is habitat fragmentation?
Breaking an ecosystem into small pieces
Adding more water to an ecosystem
Creating one large habitat
Destroying all plants in an area
