II. Listen to the second fragment and complete the following sentences. Study the following words before listening

to bear traces of mud ice age to teem with life ozone layer glacier ultraviolet radiation damaging wavelength high latitude be confined to shallow coastal waters

1. The oldest rocks we can find on earth (over 3.5 billion years old) ______________________.

2. Life was confined to depths below 5 meters (m) in the ocean, ________________________________by the absorbing shield of water, or _____________________.

3. _________________, the atmosphere gradually changed.

4. The ozone blocked some of the most damaging _____________________.

5. Life evolved and the land was colonized long before ____________________________ positions.

6. Throughout the history of the planet, there have been _____________________________.

7. During warmer epochs, _____________________, and mild climates prevailed even at high latitudes.

8. It was during this period that Homo sapiens – ____________ – evolved.

WRITING AND SPEAKING

Write a short essay about biology using the vocabulary of Lesson 1. Get ready to present it in class

Lesson 2

LIFE

PRE-READING TASKS

I. Answer the following questions

· How do you understand the meaning of the word “Life”?

· How do you think it can be interpreted by the following disciplines: philosophy, theology, biology?

· Try to develop your own definition of this notion.

II. Listen to the following words and practice their pronunciation

Metabolism, growth, reproduction, responsiveness, adaptation, chemical, heterotroph, autotroph, evolution, unicellular, mutability, offspring, generation, environment, unique, pressure, sophisticated.

READING COMPREHENSION AND VOCABULARY DEVELOPMENT

I. Match each word on the left to its correct definition on the right

1) adjust, v 2) hallmark, n 3) imply, v 4) origin, n 5) property, n 6) release, v 7) sample, n 8) significance, n 9) species, n 10) survive, v

a) an idea, method, or quality that is typical of a particular person or thing; b) to let a substance or energy flow out; c) a group of animals or plants whose members are similar and can breed together to produce young animals or plants; d) a quality or power that a substance, plant etc has; e) to continue to live in spite of difficulties; f) to become or make something more suitable for a particular purpose; g) the importance of an event, action etc, especially because of the effects or influence it will have in the future; h) a small part or amount of something that is examined in order to find out something about the whole; i) to suggest that something is true, without saying this directly; j) the place or situation in which something begins to exist.

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II. Ask questions to the underlined words	\|	II. Read the following text paying attention to the highlighted words. Explain or interpret the contextual meaning of the underlined phrases

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