I. Complete the sentences with the words given.

1. It is important to encourage environmental __________________ and awareness.

2. The motivation for the control policy is to reduce the negative impacts of __________________.

3. Plants obviously do not have minds; nor __________________ do things like tables and rocks.

4. Humans, dogs, elephants, and dolphins are all __________________, but birds, fish, and crocodiles are not.

5. Pollution can have disastrous effects on the delicately balanced __________________.

6. Many plant and animal __________________ are found only in the rainforests.

7. Tourism is damaging the __________________ of the island.

8. The country can undertake conservation measures to build up or maintain its __________________.

9. There are many examples of resource decline and low production, particularly in the humid __________________.

10. All living __________________ have to adapt to changes in environmental conditions.

10. UNIT 10. The ecosystem