VII. Using additional sources of information prepare a report on one of the following topics and present it to the class

Modern views on the problems of taxonomy and systematics in biology.
The role of bacteria in ecology and in human lives.
Modern virology. Recent investigations and discoveries.

Unit 4

Lesson 1

VASCULAR PLANTS

PRE-READING TASKS

I. Answer the following questions

· What do you associate a plant with?

· What features distinguishing plants from other living organisms can you name?

· What part do plants play in ecology?

II. Listen to the following words and practice their pronunciation

Vascular plant, xylem, phloem, fern, gymnosperm, angiosperm, conifer, monocot, dicot, taproot, fibrous root, meristem, lateral bud, internode, petiole, axil, axillary bud, leaf primordia, protoderm, epidermis, procambium, cuticle, pith, cortex.

READING COMPREHENSION AND VOCABULARY DEVELOPMENT

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

anchor, v comprise, v device, n dormant, adj erosion, n germinate, v principal, adj soil, n steep, adj tip, n twig, n

a) the upper layer of earth that may be dug or plowed and in which plants grow; b) the process by which rock or soil is gradually destroyed by wind, rain, or the sea; c) to hold firmly or fix; d) the usually pointed end of something; e) not active or not growing at the present time but able to be active later; f) a small shoot or branch usually without its leaves; g) to begin to grow or to sprout; h) most important or influential, chief; i) a mechanism designed to serve a special purpose or perform a special function; j) to consist of particular parts, groups, etc; k) making a large angle with the plane of the horizon.

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VI. Solve the following crossword puzzle using the clues below	\|	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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