Population Dynamics and Human Population

Women account for __________ of all hours worked bu t receive on only _________ percent of the worlds income.

• 1/3, 20
• 2/3, 10
• 1/3, 2
• 1/5, 5

Which of the following will increase the size of a population?

• emigration and births
• immigration and deaths
• immigration and births
• emigration and deaths

The way in which individuals of a population are spread out is called

• population density
• survivorship
• population dispersion
• logistic curve

The movement of a single caribou into a herd is an example of

• population
• immigration
• emigration
• predation

What type of population growth is shown in the graph?  

• logistic growth
• logical growth
• exponential growth
• density-dependent growth

 What is the name for this leveling off shown in the graph?

• logistic line
• carrying capacity
• climax point
• mediocre

After how many hours does the yeast population shown in the graph reach its carrying capacity?

• 15 hours
• 10 hours
• 6 hours
• At the start

What 2 factors decrease population size?

• Immigration, Births
• Emigration, Births
• Emigration, Deaths
• Immigration, Deaths

This graph shows the population growth curve for a sparrows in Forsyth County.  What is the carrying capacity?

• 50
• 200
• 280
• 300

symbiotic relationship in which one organisms benefits and the other organism is not affected

• invasive (non-native) species
• mutualism 
• nitrogen fixation
• commensalism