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Essential English for Biology Students.doc
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VI. Give Russian equivalents to the following English terms:

English term

Russian equivalent

1

thrive in environments

2

cope with the demands

3

ways of fixing carbon dioxide

4

common and widely distributed

5

hot, dry environments

6

obtain sufficient carbon dioxide

7

allow water to escape

8

cease photosynthesising

9

plant growth

10

the loss of

11

a special metabolic adaptation

12

leaf veins

13

the metabolic pathway

14

the bundle sheath

15

photosynthetic efficiency

16

survive in extremely dry conditions

17

occur at separate times

VII. Find synonyms among the pool of words:

Pool of words

Synonyms

1)1.thrive/2.lack/3.grow/4.absence/5.cycle/6.rotation

2)1.damage/2.harm/3.cease/4.condition/5.situation/6.finish

3)1.efficient /2.sufficient /3.ample /4.productive

4)1.annual /2.drought /3.lack of rain /4.once a year

VIII. Answer the following questions. Use all information given before:

  1. Where do green plants thrive?

  2. How do C3 plants fix carbon dioxide?

  3. What are two major disadvantages of C3 plants in hot, dry environments?

  4. How do C4 plants fix carbon dioxide?

  5. What are the bundle sheath cells?

  6. What is the Hatch-Slack pathway?

  7. What are two main advantages of C4 plants in hot, dry environments?

  8. What are CAM plants?

  9. Why can CAM plants survive in very dry climates?

IX.Match the sentence halves. Make complete sentences:

1.

Green plants thrive in environments ranging from

A.

open their stomata (small pores in their leaves).

2.

C3 plants fix carbon dioxide directly

B.

the Hatch-Slack pathway.

3.

To obtain sufficient carbon dioxide, C3 plants must

C.

carbon dioxide is first fixed into a four-carbon intermediate before it enters the Calvin cycle.

4.

C4 plants have evolved a special metabolic adaptation

D.

into the Calvin cycle as the three-carbon compound glycerate 3-phosphate (GP).

5.

A ring of large closely packed cells called

E.

hot and dry equatorial regions to freezing-cold polar regions.

6.

The metabolic pathway that transports carbon dioxide into the bundle sheath cells is called t

F.

which reduces photorespiration.

7.

CAM is an abbreviation for crassulacean acid metabolism, a type of metabolism first observed in the family of plants called

G.

crassulaceae (which includes the stonecrops, fleshy-leaved plants that will grow on rocks and walls).

8.

CAM plants and C4 plants have a similar metabolism:

H.

the bundle sheath surrounds the leaf veins.

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