IV. Discuss the poem from the previous exercise. What do you feel when you plant a tree? How important are plants in our lives? Try to add one more verse to the poem

SPEAKING

Speak about plants covering the following issues:

· Vascular plants and their major characteristics.

· The main organs in vascular plants.

· The male and female gametophytes in angiosperms.

· Pollination and fertilization in the flowering plants.

· Fruits in angiosperms and their role.

Lesson 3

ANIMALS

PRE-READING TASKS

I. Answer the following questions

· What are the main characteristics of animals?

· How many taxonomic groups of animals (phyla and classes) can you name?

· Which classes of animals are evolutionary most highly developed? Why?

II. Listen to the following words and practice their pronunciation

Annelid, arthropod, bilateral symmetry, cavity, chordate, coelenterate, coelom, deuterostome, digestive tract, echinoderm, excretion, flatworm, gill, hydrostatic skeleton, mollusk, nervous system, osmotic pressure, protostome, pseudocoel, radial symmetry, respiration, sense organ, somatic cell, sponge, vascular system, vertebrate.

READING COMPREHENSION AND VOCABULARY DEVELOPMENT

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

1) cavity, n 2) elaborate, adj 3) excrete, v 4) expenditure, n 5) gill, n 6) locomotion, n 7) medium, n 8) obscure, adj 9) sessile, adj 10) suspend, v

a) marked by complexity and fullness of detail; b) to hang freely; c) an act or the power of moving from place to place; d) permanently attached or established : not free to move about; e) an unfilled space within a mass, a hollowed-out space; f) to separate and eliminate or discharge (waste) from the blood or tissues or from the active protoplasm; g) the act or process of utilizing or using something up; h) relatively unknown, not prominent or famous; i) a condition or environment in which something may function or flourish; j) an organ (as of a fish) for obtaining oxygen from water.

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III. Translate the following sentences using modal verbs	\|	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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