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Double or trouble
Population Characteristics
Factor this Factor that
Growth Rates
Pop Smoke Ecology
1000
The number of organisms per unit area
What is population density
1000
_______________ is a group of the same species in the same place at the same time.
What is population
1000
Limiting factors can be abiotic or biotic. True or False
True
1000
Japan had a birthrate of eight and a deathrate of nine in 2008. What was the PGR?
-1 %
1000
The study of ________________ helps to predict changes in human population
What is demographics (demography)
2000
any factor in the environment that does not depend on the number of members in a population per unit area
What is density independent factors
2000

What are the 3 factors that can affect population size:

What is Birth Rate, Death Rate, and Number of individuals that enter or leave the population

2000
Give an example of a density independent factor.
What is any natural disaster or weather event.
2000

BUSTED!!!!

The team that chose this square losing 3000 points

2000

Exponential growth in human population is due to

technology advances, science advances etc

3000
the number of individuals moving away from a population
What is emmigration
3000

_________occurs when the growth rate decreases as the population reaches carrying capacity. 

What is Logistic Growth 

3000

Give an example of density dependent factor

parasites, predation, competition etc

3000

To assess a population’s growth rate, an ecologist must know how many individuals are born, how many died, and how many move away in a given period of time. What else must an ecologist know? a.how many individuals find mates b.how many individuals move in from somewhere else c.how many individuals carry communicable diseases d.how many individuals are young or old

b. how many individuals move in from somewhere else

3000

BUSTED

The team that chose this square loses 2000 points.

4000

BUSTED!! - 1000 points

The team that chose this square loses 1000 points

4000
DOUBLE Jeopardy!
Team that chose this square earns 200 points!
4000

Which of the following statements is correct? a.Population size of predators increases when their prey is scarce. b.Competition for resources is density-independent when food is plentiful. c.Disease is density-dependent because transmission occurs more easily when a population is large. d.A change in average temperature is a density-dependent factor because fewer organisms can acclimate to variations in temperature.

c.Disease is density-dependent because transmission occurs more easily when a population is large.

4000

Young adult male chimpanzees look for mates outside their own population. The males then take the females back to their group. Which of the following occurs in females’ original population? a.emigrationc.mortality b.immigrationd.natality

a. emigration

4000
The three major causes of human deaths throughout recorded history are war, famine, and _____________
What is disease
5000

What are the three important characteristics of a population?

What is geographic distribution, density, and growth rate. 

5000

Supposed there is 20,000 Kj of energy in the producer level....What will be the amount of energy in the tertiary consumer?

What is 20 Kilojoules?

5000
Which limiting factor is dependent on the density of the population? a. contagious fatal virus b. dumping toxic waste in a river c. heavy rains and floods d. widespread forest fires
What is a. contagious fatal virus
5000

______________ happens when parts of a habitat are destroyed and cut up into fragments by roads and development. 

What is Habitat fragmentation?

5000
Define zero population growth
when birth rate equals death rate and immigration rate equals emmigration rate