Day 5 Quiz - Population Dynamics

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

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

What 2 factors decrease population size?

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

Describes organisms with a high death rate (or low survivorship rate) immediately following birth. Examples include bacteria, fishes, and invertebrates.

• Type I

• Type II

• Type III

• Type IV

Tracks organisms that tend to live long lives (low death rate and high survivorship rate); toward the end of their life expectancies, however, there is a dramatic increase in the death rate.

• Type I

• Type II

• Type III

• Type IV

If the amount of food or resources available increases, the carrying capacity for an animal:

• Stays the same
• Increases
• Decreases
• Fluctuates

According to the graph, when is the population experiencing exponential growth?

• Days 1-7

• Days 9-16

• Days 17-35

According to the graph, when is this populations start experiencing logistic growth?

• Days 1-7

• Days 9-16

• Days 17-35

According to the graph, about when does this population reach its carrying capacity?

• Day 3

• Day 9

• Day 14

• Day 23

Why don't populations grow indefinitely?

• limiting factors

• unlimited space

• plenty of resources

• hurricanes

A mouse with a short life span, produces more offspring than can survive, and gives little to no parental care is a:

• K - selected species

• R - selected species

• H - selected species