VOCABULARY
CHARACTERISTICS
PRESSURES
HUMANS
MISCELLANEOUS
100
the maximum number of individuals an ecosystem can support
What is carrying capacity
100

If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is

What is 4?

100
Birth and immigration are contributing factors
What is population growth
100

Creating habitat corridors and reintroduction is a way of creating ____________ of animal habitats

What is sustainability? 

100
the addition of harmful substances to the environment
What is pollution
200
a measure of the number of individuals in a certain space at a particular time
What is population density
200

J-shaped graph shows _____________ growth

What is exponential

200
death and emigration are contributing factors
What is population decline
200
As population increases, expansion of habitats increases, resulting in
What is loss of land space
200
fish populations may never recover
What is overfishing
300

people/animals moving into an area

immigration

300

a population that has a similar death rate as birth rate means

What is the population is stable

300

The following are what kind of factor in the prairie ecosystem: coyote, grass, and insects?

What is a biotic factor?

300

available resources, lack of predators, and survival of offspring are 3 conditions which allow

What is increasing growth of populations

300
land development destroying habitats, the use of resources, and killing of populations (such as salmon and lobster for food) are all examples
What is the effects of human population growth
400
a factor that prevents the continuing growth of a population in an ecosystem
What is limiting factor
400

s-shaped graph shows ____________ growth

What is logical?

400

When you study all the growth characteristics of a human population, you are studying its ____.

What is demography?

400
transporting water (irrigation) and purifying water through water treatment plants are 2 examples
What technology
400
changes in weather, or factors such as drought, hurricanes, tornadoes, fires, or floods are all examples
What is density-independent factors
500
the movement of individuals out of a population
What is emigration
500
postreproductive reproductive prereproductive
What is age structure of a population
500
factors may include competition, disease, parasitism, and predation
What is density-dependent factors
500

introduction of new (invasive) species, pollution, and overfishing are examples

What is human caused environmental issues?

500

the total of all variety of organisms in an area

What is biodiversity?