Complete the sentences using the text and translate them into Russian (While examining a drop of rainwater under a microscope he saw ...)

Tasks

I.Write down whether the following statements are true or false. Give extensive answers.

1.  Leeuwenhoek discovered tiny animals in 1678.

2.  A Paramecium is harder to detect under a microscope than other Protozoa.

3.  Paramecia are commonly found in wet or moist places.

4.  Paramecium has a soft body which helps it to maintain a constant shape.

5.  The paramecium is one-celled living organism with one nucleus.

6.  It has foot-like organs which drives the animal forward.

7.  The Paramecium feeds on organic matter.

8.  It assimilates the digested food as well as the undigested remains.

9.  The Paramecium respires through its body surface.

10.  Paramecia don't react to outside influence.

11.  In the warmer seasons the Paramecia grow fast and divide into several unequal parts.

12.  Water isn't essential for Paramecia's life.

13.  The cysts are capable of withstanding drought, low temperatures and other unfavourable conditions.

14.  The paramecia don't play an important part in the life of Nature.

II.Complete the sentences using the text and translate them into Russian.

1.  While examining a drop of rainwater under a microscope he saw ...

2.  ... after which it was named (Slipper Animalcule)

3.  Only a small degree of magnification is needed ...

4.  ... which helps the Paramecium to maintain a constant shape.

5.  Like all other animal cells ...

6.  ... while at the same time its body rotates upon its own longitudinal axis.

7.  By beating its cilia, the Paramecium sets up a current...

8.  ... dissolved and absorbed by the protoplasm.

9.  Water dissolved oxygen is brought...

10.  Water which accumulates in the protoplasm...

11.  ... discharging the waste solutions into the vacuole.

12.  If we place a crystal of table salt...

13.  ... the Paramecia are irritated by the presence of salt and bacteria.

14.  Each of the nuclei divides into two ...

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