Dr. Stuart Reichler Bio 301M - PowerPoint PPT Presentation

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Dr. Stuart Reichler Bio 301M

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... by making more resources available. Why are giraffes' necks so long? Average feeding height The primary function of the giraffes' long neck is not for feeding. – PowerPoint PPT presentation

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Title: Dr. Stuart Reichler Bio 301M


1
Dr. Stuart Reichler Bio 301M
2
Port-au-Prince, Haiti after earthquake (1/12/10)
http//www.dailymail.co.uk/news/worldnews/article-
1242929/Haiti-earthquake-pictures-How-natural-disa
ster-ripped-island-apart.html
3
http//images.mirror.co.uk/upl/m4/jan2010/8/0/leog
ane-haiti-pic-dm-ian-vogler-745564000.jpg
4
http//www.youtube.com/watch?vfUd0U-ZZZgw 030
sec.
5
Haiti won independence from France in 1825, but
had to pay reparations until 1947.
http//www1.american.edu/ted/ice/haiti-hurricane.h
tm
6
More than 75 of energy in Haiti is provided by
charcoal. In 1980, Haiti still had 25 of its
forests, as of 2004, only 1.4 of Haiti's
forests remained
Border between Haiti (deforested area at left)
and the Dominican Republic. NASA photo.
http//www.justhaiti.org/project.htm
7
Haiti
http//www.piphaiti.org/overview_of_haiti2.html
The Dominican Republic
http//faculty-staff.ou.edu/L/Randall.B.Langerhans
-1/dr/mountains.jpg
8
Haiti was struck by four tropical storms in
2008. The flooded city of Gonaives after
Hurricane Hanna, September 3, 2008.Image credit
Lambi Fund of Haiti.
http//www.wunderground.com/blog/JeffMasters/comme
nt.html?entrynum1413
9
The hurricanes of 2008 destroyed 22,702 homes and
damaged another 84,625. About 800,000 people were
affected--8 of Haiti's total population. The
flooding wiped out 70 of Haiti's crops.
http//www.wunderground.com/blog/JeffMasters/comme
nt.html?entrynum1413
10
http//www1.american.edu/ted/ice/haiti-hurricane.h
tm
11
Dr. Stuart Reichler Bio 301M
12
Sample Exam Questions Some organisms have much
more DNA than humans do. Does this mean that
they can make a greater diversity of proteins
than humans can?
13
Sample Exam Questions Some organisms have much
more DNA than humans do. Does this mean that
they can make a greater diversity of proteins
than humans can? Why or why not? Not
necessarily. They may have more non-coding DNA.
14
Sample Exam Questions Both humans and wolves
live in groups. How is the advantage gained from
forming groups different between humans and
wolves?
15
Sample Exam Questions Both humans and wolves
live in groups. How is the advantage gained from
forming groups different between humans and
wolves?Human groups give protection, probably
from other humans. Wolf groups are better able
to capture prey- obtain food.
16
Sample Exam Questions Do you expect more or
fewer future human conflicts over resources? Why?
17
Sample Exam Questions Do you expect more or
fewer future human conflicts over resources?
Why? Likely more conflicts. Human population is
increasing and resources are not. Rain decreases
in some areas will lead to greater conflicts.
Alt answer Some areas are experiencing
increases in rainfall, and that may diminish
conflicts in those areas by making more resources
available.
18
Studying Biology
  • Start with a question.
  • For example
  • How? Why? When? Where? Etc?
  • How do we get answers?
  • Strong Inference presents one method
  • (article on webpage)

19
Why are giraffes' necks so long?
20
Average feeding height
21
Most feeding occurs below neck height.
The primary function of the giraffes' long neck
is not for feeding.
22
They do use their necks for fighting and defense.
http//www.youtube.com/watch?vC7HCIGFdBt8
23
Studying Biology
  • Start with a question.
  • For example
  • How? Why? When? Where? Etc?
  • How do we get answers?
  • Strong Inference presents one method
  • (article on webpage)
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