Population and Population Limits

What will happen to the population when the death rate is larger than the birth rate?

• grow
• shrink
• stay the same

What will happen to the population when the birth rate is larger than the death rate?

• grow
• shrink
• stay the same

There is a flock of 21 birds. 3 birds immigrate to the flock but 9 emigrate. 

• grow; 15 birds in the end
• shrink; 15 birds in the end
• grow; 27 birds in the end
• shrink; 27 birds in the end

There is a herd of 45 cattle. 1 is born and 2 die. 6 emigrate to another farm and 3 immigrate to the herd. 

• shrink; 41
• grow; 41
• grow; 47
• shrink; 47

What type of growth is represented behind?

• exponential
• logistics
• a good kind
• representative

During "oh, deer", what caused the population of deer to decrease?

• Not enough resources were available
• Too many resources were available
• Predation
• Mutualism

During "oh, deer", what caused the population of deer to increase?

• Not enough resources were available
• Plenty of resources were available
• Predation
• Mutualism

Which of the following is an EXAMPLE of a density-dependent limiting factor?

• Water
• Major flood.
• Migration
• Thick fur

The  number of individuals a habitat can sustain with the resources it has available

• Carrying capacity
• Limiting factors
• Resources
• Population

When a population has reached carrying capacity

• Growth & Immigration are equal to Death & emigration
• Growth & Immigration are less than Death & emigration
• Growth & Immigration are greater than Death & emigration
• Growth is exponential