chapter 4 Flashcards

(11 cards)

0
Q

What happens to an age structure graph if the country is not growing?

A

It will stabilize

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What problem does immigration and emigration pose for demographers?

A

They find it difficuilt to make predections about a population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what type of reproductive strategy would a bacteria employ, determined by small size and short life span?

A

R-strategies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what type of strategy would the tortoises of the Galapagos Islands and sequios of california used based on their long life span?

A

K-strategist

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the shape of a population that grows until it reaches its carrying capacity?

A

S-shaped curve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of influence does density independant factors have on a population density?

A

none

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of growth does an unrestiricted population have?

A

exponential

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Name the population control factors whose effects increase as the population size increases?

A

density dependent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the things demographers collect and study when it comes to human population?

A

age structure geographic distribution and growth rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

List characteristics of a rapid life history pattern

A

small body size, mature rapidly, reproduce early, have a short life span

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Be able to list several density dependant factors that affect the population growth

A

predation, disease, parasites, and competition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly