Tuesday Oct 14th-Week 10
TOPIC: Human Population OBJ : 6-7
DO NOW:
EXT: Ecology Packet DUE DATE: Oct 21st
DW: 4.2 Notes/Graph
***Quiz on TUESDAY
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EXIT: Fill in your level of understanding AND Speculate what factor would cause a country to have a negative growth rate.
HANDOUTS to PICK-UP:
-EXT packet
-Human Population Graph
TURN IN to ABS box:
SEMINAR 2:
BEFORE/AFTER SCHOOL:
DW-Oh Deer
-Discuss EXT assignment
-Go over section 4.2
-Work on Human Population Graph
Compare and Contrast Exponential growth and
Logistic Growth.
AG
EN
DA
AB
SEN
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Science of Life
TUESDAY: ___10__/__14___
OBJECTIVE…#_3-5_____ TOPIC:
Population Dynamics
Daily Work Grade- OH DEER!
DW GRADE: 2 1 0
TUESDAY
DO NOW Q: Compare and contrast
exponential growth and logistic
growth
A: Both measure growth
and have a lag phase. J-no
limiting factors, no
carrying capacity. S-
Limiting factors & carrying
capacity.
UNIT OBJECTIVES
6---DESCRIBE how humans impact (+/-) biodiversity
7---IDENTIFY how biodiversity is increased / decreased
Vocabulary
These should be done by test day!
demography
demographic transition
zero population growth -- ZPG
age structure
Oh Deer 2nd Hour
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Number of Deer and Wolves
OH Deer! Number of Deer and Wolves over 30 Years
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Oh Deer 3rd Hour
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OH Deer! Number of Deer and Wolves over 30 Years
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Oh Deer 6th Hour
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Series2
Oh Deer 7th Hour
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OH Deer! Number of Deer and Wolves over 30 Years
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4.2 Human Population
WHAT YOU WILL LEARN -how to explain the trends in human population growth
-how to compare the age structure of representative nongrowing, slowly growing, and rapidly growing countries
-predict the consequences of continued population growth
Human population growth changes over time
MAIN IDEA
Human Population Growth
The study of human population size, density, distribution,
movement, and birth and death rates is demography.
4.2 Human Population
Technological Advances For thousands of years,
environmental conditions kept the
size of the human population at a
relatively constant number below the
environment’s carrying capacity.
Humans have learned to alter the
environment in ways that appear to
have changed its carrying capacity.
4.2 Human Population
Human Population Growth
Rate
Although the human
population is still
growing, the rate of its
growth has slowed.
4.2 Human Population
Trends in Human Population Growth
Population
trends can be
altered by
events such as
disease and
war.
4.2 Human Population
Human population
growth is not the same in all countries.
Zero population growth (ZPG)
occurs when the birthrate equals
the death rate.
Zero Population Growth
The age structure eventually
should be more balanced with
numbers at pre-reproductive,
reproductive, and post-
reproductive ages being
approximately equal.
4.2 Human Population
Human Carrying Capacity
Scientists are concerned
about the human population
reaching or exceeding the
carrying capacity.
An important factor is the
amount of resources from the
biosphere that are used by
each person.
4.2 Human Population
Weekend Assignment
• Fill out Population Graph (should have class time for
this)
• Complete Ecology Packet
• DUE ON TUESDAY 10/21
EXIT FILL-IN: level of understanding of today’s objective
EXIT: SPECULATE what factor would cause a country to have a negative growth rate.