Unit

10

Uni
t

The ecosystem
FAMILY LIFE

LESSON 5

LISTENING

Human impact on ecosystems

LESSON 5

LISTENING
Game: Food chain

WARM-UP

PRE-LISTENING

Task 1: Choose the correct meanings.
• Task 2: Choose the correct answer.
• Task 3: True or false.

WHILE-LISTENING

POST-LISTENING

CONSOLIDATION

Discussion
• Wrap-up
• Homework

WARM-UP

FOOD CHAIN
- Ss work in groups.
- Put the animals in the correct positions
in the food chain.
- Stick the animals on their paper and
put the paper on the board.

WARM-UP
2

3

1

4

5

WARM-UP

KEY

PRE-LISTENING

1

Choose the correct meaning of the word and phrases.

1. coral reef
A. a plant that grows in the sea
B. a line of hard rock formed by coral,
found in warm sea water
2. food chain
A. the order in which living things
depend on each other for food
B. the order in which food is provided

3. run out
A. to use all of something
B. to experience something
unexpectedly
4. break down
A. to make smaller
B. to stop working

PRE-LISTENING

coral reef (n)
/ˈkɒrəl riːf/

a hard substance that is red, pink or
white in colour, and that forms on
the bottom of the sea from the
bones of very small creatures

PRE-LISTENING

expert (n)
/ˈekspɜːt/

a person with special
knowledge, skill or training
in something

PRE-LISTENING

food chain (n)
/ˈfuːd tʃeɪn/
a series of living creatures in
which each type of creature feeds
on the one below it in the series

PRE-LISTENING

run out of
(phr.v)

to use up or finish a supply
of something

PRE-LISTENING

restore (v)
/rɪˈstɔː(r)/

to bring back a situation or
feeling that existed before

Form

Pronunciation

Meaning

1. coral reef (n)

/ˈkɒrəl riːf/

a hard substance that is red, pink or white in colour,
and that forms on the bottom of the sea from the
bones of very small creatures. 

2. expert (n)

/ˈekspɜːt/

a person with special knowledge, skill or training in
something

3. food chain (n)

/ˈfuːd tʃeɪn/

4. run out of
(phrasal verb)

 

5. restore (v)

/rɪˈstɔː(r)/

a series of living creatures in which each type of
creature feeds on the one below it in the series
to use up or finish a supply of something
​ to bring back a situation or feeling that existed
before

WHILELISTENING

2

Listen to a talk and choose the correct answers A, B or C.

1. Why is Dr Logan invited to give a talk?
A. Because he knows Nam.
B. Because he's an expert in biodiversity conservation.
C. Because he's a member of the environmental club.
2. Which of the benefits provided by a healthy ecosystem is NOT
mentioned?
A. Cleaning our air and water.
B. Controlling climate changes.
C. Recycling waste naturally.
3. How much of the coral reefs has disappeared?
A. 25%.
B. 50%.
C. 90%.

WHILELISTENING

2

Listen to a talk and choose the correct answers A, B or C.

4. What may happen as a result of damaging the
ecosystem balance?
A. More space for farming and houses.
B. Lack of food, water, and fresh air.
C. Fewer natural disasters.
5. What do you think Dr Logan will talk about next?
A. Ways to repair damaged ecosystems.
B. Ways to restore the food chain.
C. The future of human life.

WHILELISTENING

3

True or false.

1. The threat to the earth's biodiversity comes from
human activities.
2. Nearly half of the world's forests have been cut
down.
3. The disappearance of some species may cause
problems to the food chain.
4. The health of human beings does not depend on a
healthy ecosystem.

T

F

POST-LISTENING

4

Discussion

What can humans do to
protect and restore the
earth's ecosystems?

POST-LISTENING

4

Discussion

Below are some ways:
– plant trees, and ensure they grow to full
maturity
– volunteer on restoration projects in your
community
– assist local habitats by bringing back plants
and animals that used to live there
– eat less meat and buy organic produce
– support green businesses
– organise or join local clean-up activities of
beaches and parks

CONSOLIDATION

1 Wrap-up
What have you learnt today?
• Human impacts on ecosystems;
• Listening for main ideas and specific
information.

CONSOLIDATION

2 Homework
• Do the exercises in the workbook.
• Prepare for Lesson 6 - Unit 10.

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