Transcript Ecosystems

Problems of man-modified ecosystem
1. Warming up. Quotation
“If you don’t think about
the future
you will not have it.”
John Galsworthy
2. READING.
Read the text. Answer the questions:
1. What is an ecosystem consists of?
2. Healthy ecosystems are in
balance, aren’t they?
3. What can threaten the health of
our earth's ecosystems?
3. WATCING.
3.1. Video “Biotic ecosystem components”
3.2. Make a test:
1. A system formed by the interaction of a community of organisms with its environment
A) Ecosystem
B) Ecology
C) Community
2. The living part of an ecosystem called
A) Living things
B) Species
C) Community
3. All the members of a species in an ecosystem are
A) Living things
B) Biotic
C) Population
4. A community is consists of
A) Living organisms
B) Species
C) Groups of organisms
5. A natural community is consists of
A) Animals and plants
B) Species
C) Groups of organisms
Right answers: 1.A; 2A; 3C; 4C; 5A.
4. TALKING.
Are you worried about the nature?
4.1. Give russian equivalents
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Protect nature
Destroy wildlife
Throw away litter
Reduce pollution
Damage nature
Spoil the environment
Disturb wild animals
4.2. Problems man-modified ecosystem
Land, air and water are important for the life on
the Earth. But what is happening now?
Water is polluted.
Land is polluted.
Air is polluted.
Are you worried about nature? What can
you say about man-modified ecosystem?
People pollute the environment.
People cut down trees.
People disturb the animals and birds.
People poor the waste in water.
People leave litter in the country.
People damage nature.
4.3. Describe these pictures (is/are+V3)
The water is
polluted
Papers
and plastic
packets are
thrown out
Bottles, cans
and tins are
left
everywhere
The babytrees are cut
4.4. What should we do to save the nature?
Code of Ecological Rules
-Don’t break trees.
-Don’t leave litter.
-Keep the country tidy.
-Respect the life and work of the countryside.
-Keep dogs under control.
-Put litter away.
-Grow trees and flowers.
-Don’t frighten birds and animals.
-Don’t cut wild flowers.