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Population Ecology

Name Date

carrying capacity

demography

demographic transition

zero populationgrowth (ZPG)

age structure

Population EcologySection 2 Human Population

Skim

Section 2 of the chapter. Make a list of the ways in whichuman populations change.

Use your book or dictionary to define carrying capacity.

Use your book or dictionary to define each term.

ewVocabulary

Main Idea Details

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ReviewVocabulary

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36 Population Ecology

Name Date

Human

Population

Growth

I found this information

on page .

Summarizetwo examples of events that could produce each of the

following effects.

Effect: decline in world population growth

Events that could produce this effect:

Effect: increase in world population growth

Events that could produce this effect:

Examinethe graph below. Then complete the table that follows.

Section 2 Human Population (continued)

Main Idea Details

Percent Increase in Human Population

0.2

0

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

Percentincrease

Year

20502025200019751950

2003

What are the main reasons for the expected trend in human

population between now and 2050?

Approximate Growth Rate1950 1975 2000 2025 (estimated)

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Population Ecology

Name Date

Trends in Human

Population

Growth

I found this information

on page .

Calculatethe population growth rate for each fictitious count

listed in the table below.

CountryBirths per

1000

Deaths per

1000

Migration per

1000

Growth

(perce

X 25 9 1.6

Y 14 4 2.2

Z 12 15 0.8

Compare trends in industrialized nations and developing coun

in terms of the following factors.

Population growth rate:

Resource use by individuals:

Identify three factors that could keep the human population fr

reaching its carrying capacity.

1.

2.

3.

Section 2 Human Population (continued)

Main Idea Details

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Imagine that medical science discovered a cure for all cancers.Analyze how this medical achievement might affect life on Earth.

SUMMARIZE

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38 Population Ecology

Name Date

Create a demographic profile for an imaginary country

by describing its population characteristics below. List the sources of your data.

Name of country:

Geographic location:

Is it classified as a developing country or as an industrialized nation?

Population size:

Population density:

Description of the populations spatial distribution across the countrys land area:

Birthrate:

Death rate:

Current population growth rate:

Expected population growth rate in the next 10 to 20 years:

General age structure:

Major factors promoting population growth:

Major factors limiting population growth:

Data sources used:

FURTHERINQUIRYTie It Together