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  1. Answer the questions:

  1. What structural peculiarities indicate that the Pike is a greedy and voracious hunter?

  2. How is the Sazan distinguished from the Pike?

  3. Why are they different?

  1. True or false statements:

1. Nowadays the researches still find many species of fish fossilized.

2. Fish can live in the different environments, keep the various diets, but all these factors do not affect their anatomy at all.

3.The Pike and the Sazan belong to the similar species of fish.

4.These fish prefer feeding on the same food, but use different methods of obtaining it.

5.The Pike is a carnivorous fish being able to attack even small birds and animals living in water.

6.The Sazan prefers feeding on insect larvae, mollusks, worm to hunting other fish.

  1. What words can be used to describe the pike and sazan:

Carnivorous, an enormous mouth, a powerful tail, blunt teeth, a soft dorsal fin, sensitive feelers, sharp teeth, a weak tail, to dart forwards, to attack, to crush the shells, long slender body, a small head, broad and thick, vegetable matter.

  1. Fill in the blanks with the words below the text and translate:

Curiosities of coral communities, Australian red sea … glow as if electrified. They are not really …. These are inch-long marine …, belonging in the … Amaryllis. The sea fleas … on lacelike bryozoans and polyps of soft…. Their … colour may warn fish and other … to avoid a bad-tasting meal.

*predators, coals, invertebrates, fleas, arresting, genus=species, graze, fleas.

Text 7

Sardine

Sardine is a member of the herring family and an important food fish. The word «sardine» refers to several groups of fishes. But it is used mainly for such species as the Pacific sardine, the South African sardine, and the European sardine, or pilchard. Other members of the herring family, including sprats and young Atlantic herring, are also sold as sardines.

The name «sardine» was given to the fish because they were first caught near Sardinia, an Italian island in the Mediterranean Sea.

Sardines live in warm ocean waters near the shores of almost all the continents. They are especially plentiful on the coasts of Japan, north-western Africa, and western South America. Sardines average 23 to 30 centimeters in length and about 115 grams in weight. The upper part of their body is blush-grey, and the lower part is silvery. Adult sardines usually swim in large shoals. They feed on small animal and life called plankton.

Most sardine fishing takes place on moonless nights. The movement of sardines disturbs tiny organisms that live near the surface of the sea.

It causes these organisms to produce light by means of a chemical reaction. This light called bioluminescence reveals the presence of sardine schools. Most sardines are caught with a special type of net called a purse seine.

The annual sardine catch worldwide totals about II million tons. Peru is the world's leading sardine-fishing nation, followed by Chile and Japan,

Cans of sardines are a familiar sight on supermarket shelves. Canneries precook sardines and remove part of their natural oil and moisture. Industry uses sardine oil in such products as linoleum, paint and varnish. Some sardines are made into fish meal, which is used in animal feed and fertilizer. Small sardines are used as bait in commercial tuna fishing.