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

Interactions between living organismsm of different spesies in the natural environment.
Recodr-breakers among plants and animals.
Adaptations to various forms of pollination in flowers.
Social animals.

Unit 5

Lesson 1

ANTHROPOGENESIS

PRE-READING TASKS

I. Answer the following questions

· Which of the existing living beings are humans most closely related with?

· How many human species existed throughout the course of evolution?

· What specific features differentiate Homo sapiens from their closest relatives?

II. Listen to the following words and practice their pronunciation

Australopithecine, bipedalism, chimpanzee, extant, extinct, gibbon, gorilla, knee, limb, masticatory complex, maxillary region, Neandertal, orangutan, orthognathic, pelvic flange, Pleistocene, pongid, posture, primate, prognathic, thighbone, upright stance.

READING COMPREHENSION AND VOCABULARYDEVELOPMENT

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

1) convolution, n 2) curve, n 3) discern, v 4) emerge, v 5) extant, adj 6) extinct, adj 7) grip, n 8) immense, adj 9) posture, n 10) relax, v 11) trend, n 12) trunk, n

a) marked by greatness especially in size or degree, enormous; b) one of the irregular ridges on the surface of the brain and especially of the cerebrum of higher mammals; c) the position or bearing of the body whether characteristic or assumed for a special purpose; d) a line that gradually bends like part of a circle; e) currently or actually existing; f) the human or animal body apart from the head and appendages: torso; g) to detect with the eyes; to recognize or identify as separate and distinct; h) a firm tenacious hold typically giving control or mastery; i) no longer existing; j) to come into being through evolution; k) a prevailing tendency or a line of development; l) to make less tense or rigid.

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