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ECOLOGY
The Wollemi Pine is one of the rarest
plant species on Earth, previously thought to be extinct 50-100 million years
ago. 39 specimens were discovered in 1994 at the bottom of a gorge in New
South Wales, Australia. Their discovery unearths a wealth of questions that
researchers have about this tree and its ability to survive throughout vast
periods of geological and climatic change. In this episode of Environment
and Ecology, students learn about the efforts being made to keep the Wollemi
Pine alive: seed gathering, DNA testing, fire prevention, and advanced plant
propagation techniques.
| Item no. |
: |
WJ00940639 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
15 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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The
astonishing growth of human population over the last 200 years has caused
drastic and hopefully not irreversible damage to ecosystems worldwide. As
we seek food, shelter, and natural resources, we damage the fragile balance
of natural wildlife. If we continue at this pace, it is estimated 25% of the
current species on Earth may become extinct in the near future. Biodiversity
is crucial to sustaining life on Earth, and in this episode of Environment
and Ecology, students learn about the efforts being made by scientists all
over the world to maintain this vital biodiversity.
| Item no. |
: |
AE06040658 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
16 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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During the late 19th century and the
early 20th century, the United States' rapidly blossoming manufacturing and
building industries wreaked havoc on the nation's mineral resources. To keep
up with demand, billions of tons of minerals were mined, and thousands of
square miles of topsoil and vegetation were destroyed. In this episode of
Environment and Ecology, students learn about this damage done to land, how
bioremediation is attempting to reverse these damages and what mining companies
are doing to prevent future mistreatment.
| Item no. |
: |
HH06110659 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
15 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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The
desert is often seen as lifeless. Although it is a very harsh and dry environment,
it is actually home to a very large, varied and delicate ecosystem. In this
episode of Environment and Ecology, students will learn about the amazing
variety of life forms that thrive in some of the most extreme conditions on
Earth. Take students on an adventure through the deserts of the world and
learn how the Sahara, the Kalahari, the Namib, and the southwestern US deserts
were formed, and how their inhabitants adapted to survive.
| Item no. |
: |
NB00940660 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
16 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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As our need for space increases, the
Earth's land is changing. Wildlife and plant habitats are disappearing quickly
and in order to ensure survival for ourselves and countless other species,
something must be done. Every organism on the planet - from the largest to
the smallest - relies on each other to maintain a delicate balance in the
food chain. In this episode of Environment and Ecology, students learn what
environmental organizations are doing to protect Earth's plant and animal
life. The responsibility belongs to all of us!
| Item no. |
: |
EB06040661 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
15 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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In
its 400 million years on Earth, plant life has evolved from its primitive
beginnings into what we see around us today. In this episode of Environment
and Ecology, students learn about the fascinating history of the world's plant
life and its ability to adapt. It explains how plants create their own food
and gather nutrients, how the Venus Flytrap catches its prey and explores
some of the Earth's tallest trees.
| Item no. |
: |
CE06110664 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
17 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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There are a huge number of living species
on Earth and our main concern in the coming years will be preventing extinction
and preserving biodiversity. By working to understand and communicate with
the animal life around us, we can change the destructive course we have taken
in the past. In this episode of Environment and Ecology, students will learn
what scientists are doing to protect wildlife habitats: communicating with
dolphins, rehabilitating orphaned animals and captive breeding to grow populations.
| Item no. |
: |
RT00940665 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
13 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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Add to cart
The
Amazon River is extraordinary. Covering over one and a half million square
miles, it is home to two-thirds of the world's fresh water and perhaps the
greatest diversity of plant and animal life on Earth. In this episode of Environment
and Ecology, students travel the 4,000 miles from the Amazon's beginnings
in the Peruvian Andes to its magnificent delta ending at the Atlantic Ocean,
while all along learning about its magnificent abundance of life.
| Item no. |
: |
KE06040666 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
14 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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Scientists have long recognized that
tropical rainforests are home to the greatest biodiversity on Earth. However,
Terry Erwin's study of forest canopies was surprising; he concluded that
there were up to twice as many different species in the tropical forests
than previously estimated! His research led to the suggestion that as much
as 90-95% of the word's organisms dwell in tree tops, and about 90% of those
are insects. In this episode of Environment and Ecology, students venture
into the forests to learn about its awe-inspiring cornucopia of life forms!
| Item no. |
: |
PA06110667 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
13 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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Add to cart
This
episode of Environment and Ecology explores ecology and conservation. Students
travel across the United States, examining various species in danger and what
is being done to help them. See conservationists helping rare crocodiles in
South Florida and tracking caribou migrations with satellites in Alaska. Students
also learn how non-native plants can disrupt an ecosystem. Filled with beautiful
footage of the plant and animal life across the country, this program includes
suggestions for careers in this field of study.
| Item no. |
: |
SM00940668 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
26 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
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The environment emits and absorbs carbon
dioxide and other gases as part of normal biological and geological processes.
Man, however, as a result of his agricultural and industrial activities, is
adding to the carbon dioxide level in the atmosphere at an alarming rate -
especially since the industrial revolution. Scientists believe the resulting
greenhouse effect can cause significant climatic changes if we don't step
into action. In this episode of the Environment and Ecology Series, students
learn about the greenhouse effect, its causes, its effects on global warming,
and what scientists are doing about it. Includes animation and time-lapse
photography, as well as suggestions for careers in this field of study.
| Item no. |
: |
PA06040669 |
| Format |
: |
DVD (With Teachers Guide) |
| Duration |
: |
13 minutes |
| Audience |
: |
Grades 4-9 |
| Copyright |
: |
2007 |
| Price |
: |
USD 44.95 |
[Go top]
Add to cart
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